Skip to main content
PetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

​
Menu

Search

Home

Sign In

Cart
0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Home Improvement
  4. /
  5. Hardware
  6. /
  7. Doors & Door Hardware
  8. /
  9. Door Springs
  10. /

  11. Prime-Line Extension Spring, Nickel-Plated Finish, 0.041 Ga x 15/32 in. x 4-1/2 in., Closed Single Loop, 2 pk., SP 9621

  1. Home
  2. /
  4. /
  5. Door Springs

Prime-Line Extension Spring, Nickel-Plated Finish, 0.041 Ga x 15/32 in. x 4-1/2 in., Closed Single Loop, 2 pk., SP 9621

Shop all Prime-Line
Prime-Line Extension Spring, Nickel-Plated Finish, 0.041 Ga x 15/32 in. x 4-1/2 in., Closed Single Loop, 2 pk., SP 9621

Item # 209999399

Prime-Line Prime-Line Extension Spring, Nickel-Plated Finish, 0.041 Ga x 15/32 in. x 4-1/2 in., Closed Single Loop, 2 pk., SP 9621
Prime-Line Prime-Line Extension Spring, Nickel-Plated Finish, 0.041 Ga x 15/32 in. x 4-1/2 in., Closed Single Loop, 2 pk., SP 9621
$6.99

Notice:
This Item cannot be shipped to AK, HI.
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all Prime-Line
Prime-Line Extension Spring, Nickel-Plated Finish, 0.041 Ga x 15/32 in. x 4-1/2 in., Closed Single Loop, 2 pk., SP 9621

Item # 209999399

Prime-Line Prime-Line Extension Spring, Nickel-Plated Finish, 0.041 Ga x 15/32 in. x 4-1/2 in., Closed Single Loop, 2 pk., SP 9621
Prime-Line Prime-Line Extension Spring, Nickel-Plated Finish, 0.041 Ga x 15/32 in. x 4-1/2 in., Closed Single Loop, 2 pk., SP 9621

$6.99

This item is available online only

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
Notice:
This Item cannot be shipped to AK, HI.
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

These SP 9621 Handyman single loop closed extension springs are constructed of durable spring steel, and they come finished in a beautiful, corrosive-resistant, nickel-plated finish. Springs like these are used for a variety of household and professional applications, and they feature a generous deflection length of 8.33 inch. These springs are easy to install and are used by many. The outside diameters, lengths and gauge thicknesses vary between each of these springs, while their dependability does not. Use these springs for repairs around the house, in the office, vehicle, garage and in many other applications.

For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.

  • For use in a variety of applications; appliances, automotive, marine, toys, tools, mechanical devices, contraptions and more
  • Spring dimensions: 15/32 inch outside diameter, 3/8 inch inside diameter, 4-1/2 inch length, 0.41 inch wire diameter, 5.28 pounds maximum safe load, 8.331 inch maximum deflection and come in a beautiful, corrosion resistant, nickel plated finish allowing them to be used both indoors and out
  • Constructed of durable spring steel (tempered steel wire) to provide optimum retraction when stretched and designed for use with a variety of household and professional applications
  • Things to take note of this item: the shape of each end of the spring, how far will it stretch (deflection), length of the spring measured from the ends of the hooks and how much weight can it support
  • Please refer to the line art drawing for dimensions and compare with your original item before purchasing (Not universal)
BrandPrime-Line
Country of OriginImported
FinishNickel
Number Of Coils100
Package Quantity2
Primary ColorGray
Primary MaterialSteel
Product Diameter0.4688 in.
Product Length4.5 in.
Product Weight0.11 lb.
End TypeClosed
Warranty1 year limited
Manufacturer Part NumberSP 9621
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. Top Rated
    Prime-Line Compression Spring, Nickel-Plated Finish, 0.041 Ga x 1/2 in. x 1-1/2 in., 2 pk., SP 9706
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Prime-Line Compression Spring, Nickel-Plated Finish, 0.041 Ga x 1/2 in. x 1-1/2 in., 2 pk., SP 9706

    $5.99
  2. Prime-Line Compression Spring, Nickel-Plated Finish, 0.041 Ga x 3/8 in. x 1-1/8 in., 4 pk., SP 9703
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Compression Spring, Nickel-Plated Finish, 0.041 Ga x 3/8 in. x 1-1/8 in., 4 pk., SP 9703

    $5.99
  3. Prime-Line Extension Spring, Nickel-Plated Finish, 0.120 Ga x 13/16 in. x 4 in., Single Loop Open, 2 pk., SP 9624
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Nickel-Plated Finish, 0.120 Ga x 13/16 in. x 4 in., Single Loop Open, 2 pk., SP 9624

    $6.99
  4. Prime-Line Extension Spring, Nickel-Plated Finish, 0.105 Ga x 3/4 in. x 3-1/8 in., Single Loop Open,, 2 pk., SP 9620
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Nickel-Plated Finish, 0.105 Ga x 3/4 in. x 3-1/8 in., Single Loop Open,, 2 pk., SP 9620

    $7.99
  5. Prime-Line Extension Spring, Nickel, 0.047 Ga x 7/16 in. x 1-7/8 in., Closed Single Loop, 2 pk., SP 9605
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Nickel, 0.047 Ga x 7/16 in. x 1-7/8 in., Closed Single Loop, 2 pk., SP 9605

    $6.99
  6. Prime-Line Compression Spring, Spring Steel Construction, Nickel-Plated Finish, 0.041 Ga x 23/32 in. x 3-1/2 in., 2 pk., SP 9711
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Compression Spring, Spring Steel Construction, Nickel-Plated Finish, 0.041 Ga x 23/32 in. x 3-1/2 in., 2 pk., SP 9711

    $5.99
  7. Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.072 Ga x 9/16 in. x 6 in., Closed Single Loop, 2 pk., SP 9671
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.072 Ga x 9/16 in. x 6 in., Closed Single Loop, 2 pk., SP 9671

    $7.99
  8. Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.080 Ga x 5/8 x 8-1/2 in., Closed Single Loop, 1 pk., SP 9635
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.080 Ga x 5/8 x 8-1/2 in., Closed Single Loop, 1 pk., SP 9635

    $6.99
  9. Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.091 Ga x 7/8 in. x 6 in., Closed Single Loop, 1 pk., SP 9627
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.091 Ga x 7/8 in. x 6 in., Closed Single Loop, 1 pk., SP 9627

    $7.99
  10. Prime-Line Compression Spring, Nickel-Plated Finish, 0.080 Ga x 7/8 in. x 4 in., 2 pk., SP 9713
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Compression Spring, Nickel-Plated Finish, 0.080 Ga x 7/8 in. x 4 in., 2 pk., SP 9713

    $6.99
  11. Prime-Line Extension Spring, Spring Steel, Nickel-Plated, 0.072 Ga x 5/8 in. x 3-1/4 in., Single Loop Open, 2 pk., SP 9618
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Spring Steel, Nickel-Plated, 0.072 Ga x 5/8 in. x 3-1/4 in., Single Loop Open, 2 pk., SP 9618

    $6.99
  12. Prime-Line Compression Spring, Spring Steel Construction, Nickel-Plated Finish, 0.148 Ga x 15/16 in. x 4 in., 2 pk., SP 9732
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Compression Spring, Spring Steel Construction, Nickel-Plated Finish, 0.148 Ga x 15/16 in. x 4 in., 2 pk., SP 9732

    $8.99

Items You May Like

  1. Prime-Line Extension Spring, Nickel, 0.120 Ga x 1-1/16 in. x 5-1/2 in., Single Loop Open, 1 pk., SP 9625
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Nickel, 0.120 Ga x 1-1/16 in. x 5-1/2 in., Single Loop Open, 1 pk., SP 9625

    $6.99
  2. Prime-Line Extension Spring, Nickel, 0.035 Ga x 1/4 in. x 1-1/2 in., Single Loop Open, 2 pk., SP 9600
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Nickel, 0.035 Ga x 1/4 in. x 1-1/2 in., Single Loop Open, 2 pk., SP 9600

    $5.99
  3. Prime-Line Wood Screen Door Closer Extension Spring, Nickel, 0.050 Ga x 5/16 x 16-3/8 in., Closed Double Loop, 1 pk., SP 9640
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Wood Screen Door Closer Extension Spring, Nickel, 0.050 Ga x 5/16 x 16-3/8 in., Closed Double Loop, 1 pk., SP 9640

    $7.99
  4. Prime-Line Extension Spring, Nickel, 0.105 Ga x 1 in. x 12 in., Single Loop Open, 1 pk., SP 9637
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Nickel, 0.105 Ga x 1 in. x 12 in., Single Loop Open, 1 pk., SP 9637

    $9.99
  5. Prime-Line 0.105 Gauge x 1-1/8 in. x 16 in. Extension Spring, Steel Construction, Nickel, Closed Single Loop, 1-Pack
    4.0 out of 5 stars with 1 reviews
    4.0 (1)

    Prime-Line 0.105 Gauge x 1-1/8 in. x 16 in. Extension Spring, Steel Construction, Nickel, Closed Single Loop, 1-Pack

    $11.69
    Was $12.99Save $1.30
  6. Prime-Line Compression Spring, Nickel-Plated Finish, 0.105 Ga x 1-1/8 in. x 3 in., 2 pk., SP 9734
    4.0 out of 5 stars with 1 reviews
    4.0 (1)

    Prime-Line Compression Spring, Nickel-Plated Finish, 0.105 Ga x 1-1/8 in. x 3 in., 2 pk., SP 9734

    $6.99
  7. Prime-Line Extension Spring, Nickel, 0.105 Ga x 3/4 in. x 2-5/8 in., Single Loop Open, 2 pk., SP 9617
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Nickel, 0.105 Ga x 3/4 in. x 2-5/8 in., Single Loop Open, 2 pk., SP 9617

    $6.99
  8. Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.162 Ga x 1-1/4 x 6-1/2 in., Single Loop Open, 1 pk., SP 9629
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.162 Ga x 1-1/4 x 6-1/2 in., Single Loop Open, 1 pk., SP 9629

    $9.99
  9. Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.135 Ga x 1 in. x 7 in., Closed Double Loop, 1 pk., SP 9630
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.135 Ga x 1 in. x 7 in., Closed Double Loop, 1 pk., SP 9630

    $7.99
  10. Century Spring 5/8 in. x 6-1/2 in. x 0.054 in. Extension Spring, 2-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Century Spring 5/8 in. x 6-1/2 in. x 0.054 in. Extension Spring, 2-Pack

    $6.99
  11. Top Rated
    Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.072 Ga x 5/8 in. x 2-1/2 in., Single Loop Open, 2 pk., SP 9610
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Prime-Line Extension Spring, Spring Steel Construction, Nickel, 0.072 Ga x 5/8 in. x 2-1/2 in., Single Loop Open, 2 pk., SP 9610

    $6.99
  12. Prime-Line Compression Spring, Spring Steel Construction, Nickel-Plated Finish, 0.035 Ga x 1/4 in. x 1 in., 6 pk., SP 9701
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Compression Spring, Spring Steel Construction, Nickel-Plated Finish, 0.035 Ga x 1/4 in. x 1 in., 6 pk., SP 9701

    $6.99

Customers Also Bought

  1. E-Z LOK Thread Repair Kit for Metal - Standard Wall - 9/16-18 x 3/4-10
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    E-Z LOK Thread Repair Kit for Metal - Standard Wall - 9/16-18 x 3/4-10

    $98.99
    Was $109.99Save $11.00
  2. E-Z LOK Thread Repair Kit for Metal - Standard - 10-32 x 2D
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    E-Z LOK Thread Repair Kit for Metal - Standard - 10-32 x 2D

    $26.99
    Was $29.99Save $3.00
  3. Top Rated
    Hillman 7/16 in. ID x 7/8 in. OD x 7/16 in. Thick Solid Shaft Collars
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman 7/16 in. ID x 7/8 in. OD x 7/16 in. Thick Solid Shaft Collars

    $3.99
  4. Multipurpose Scaffold, 6 ft.
    4.7 out of 5 stars with 745 reviews
    4.7 (745)

    UnbrandedMultipurpose Scaffold, 6 ft.

    $299.99
  5. Black Jack 4.75 gal. Drive-Maxx 200 Filler and Sealer
    4.2 out of 5 stars with 59 reviews
    4.2 (59)

    Black Jack 4.75 gal. Drive-Maxx 200 Filler and Sealer

    $21.99
  6. Orlando Drum Steel Drum 8004
    4.6 out of 5 stars with 78 reviews
    4.6 (78)

    Orlando Drum Steel Drum 8004

    $49.99
  7. Top Rated
    Harris 1 gal. 30% Vinegar Cleaner Concentrate
    4.8 out of 5 stars with 269 reviews
    4.8 (269)

    Harris 1 gal. 30% Vinegar Cleaner Concentrate

    $17.99
  8. 40 lb. Bright and Soft Water Softener Salt Pellets, 98% Premium Purity
    4.7 out of 5 stars with 1343 reviews
    4.7 (1343)

    Unbranded40 lb. Bright and Soft Water Softener Salt Pellets, 98% Premium Purity

    $8.99
  9. Hillman Grade 8 Yellow Zinc Screws, Nuts & Washers Set, Available in Store Only
    4.6 out of 5 stars with 51 reviews
    4.6 (51)

    Hillman Grade 8 Yellow Zinc Screws, Nuts & Washers Set, Available in Store Only

    $9.89
  10. 40 lb. Solar Naturals Salt Crystals, White
    4.6 out of 5 stars with 701 reviews
    4.6 (701)

    Unbranded40 lb. Solar Naturals Salt Crystals, White

    $8.99

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.