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NSI Industries JW1171SS - Fender Washer, Stainless Steel material, 3/8 in. inside diameter, 1-1/2 in. outside diameter, 100 per pack, 3/8 in. fits bolt sizes, 316 grade
NSI Industries

JW1171SS

Alternate Item Number: 91489

UPC: 639720914894


Documents & Media
Specification Sheet

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Minimum Qty: 100

Multiplier: 100

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Overview

The NSi Industries JW1171SS Fender Washer is precision-machined from 316-grade stainless steel, a marine-grade alloy known for superior corrosion resistance in chloride-rich environments, including saltwater exposure, chemical processing, and outdoor installations. This washer is designed with a 3/8-inch inside diameter, ensuring compatibility with standard 3/8-inch bolts, while its 1-1/2-inch outside diameter provides a broad surface area for distributing load and reducing stress on fastened materials. The increased outer diameter minimizes damage to softer substrates such as wood, plastic, or painted surfaces by preventing localized pressure points. Each pack contains 100 washers, making it suitable for high-volume industrial, construction, and maintenance applications where consistent, reliable fasteners are required. The 316 stainless steel composition offers exceptional resistance to rust, pitting, and chloride-induced corrosion, outperforming standard 18-8 stainless steel in harsh conditions. This makes the washer ideal for marine hardware, deck fittings, structural connections, equipment mounting, automotive repair, and industrial installations where durability and long-term performance are critical. The flat, broad design ensures even pressure distribution, reducing the risk of warping or deformation in connected components. SKU: JW1171SS.
  • 316 stainless steel for superior corrosion resistance in harsh environments
  • 3/8" inside diameter fits standard 3/8" bolts
  • 1-1/2" outside diameter distributes load evenly to prevent material damage
  • 100 washers per pack for bulk industrial applications
  • USA-made, suitable for marine, construction, and automotive use

Specifications

Application
Electrical, Plumbing, Heating and Air Conditioning Industries
Inside Diameter
3/8 IN
Material
Stainless Steel
Material
316 Stainless Steel
Outside Diameter
1.5 in
Size
3/8 in. ID x 1-1/2 in. OD
Special Features
Features: A Larger Diameter for Greater Bearing Surface
Type
Fender Washer
Package Dimensions (L x W x H)
3 IN x 3 IN x 4.57 IN
Package Dimensions (L x W x H)
7.62 cm x 7.62 cm x 11.6078 cm
Package Weight (Imperial)
2.820 L
Package Weight (Metric)
1.279 kg
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Frequently Asked Questions

What products are covered by this specification sheet?

This specification sheet applies to all Fender Washers – Domestic, Steel Zinc, 18-8 Stainless Steel, and 316 Stainless Steel in the JW and W series.

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