NSI Industries JWW81SS - 5/16" USS Flat Washer 18-8 Stainless Steel
NSI Industries

JWW81SS

Alternate Item Number: 91081

UPC: 639720910810


Documents & Media
Specification Sheet

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Minimum Qty: 100

Multiplier: 100

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Overview

The NSi Industries JWW81SS is a 5/16" USS flat washer made from 18-8 stainless steel. This corrosion-resistant washer distributes mechanical loads evenly in assemblies, preventing surface damage in industrial, construction, and manufacturing applications. Manufactured in the US by NSi Industries, a trusted supplier of precision hardware, the JWW81SS ensures reliable performance in critical connections exposed to moisture or chemicals. SKU: JWW81SS. UNSPSC: 31161807.
  • 5/16" USS flat washer size for standard bolt compatibility
  • 18-8 stainless steel for excellent corrosion resistance
  • Load distribution to prevent surface damage in assemblies
  • US-manufactured by NSi Industries for precision engineering
  • UNSPSC: 31161807 for easy procurement

Specifications

Application
USS Washers used to improve stress distribution.
Color
Silver
Finish
Stainless Steel
Fits Bolt Sizes
5/16 IN
Inside Diameter
0.390-0.370 in
Material
Stainless Steel
Material
18-8 Stainless Steel
Size
5/16" USS
Thickness
0.104-0.064 in
Type
USS Flat Washer
Package Dimensions (L x W x H)
3 IN x 3 IN x 2.15 IN
Package Dimensions (L x W x H)
7.62 cm x 7.62 cm x 5.461 cm
Package Weight (Imperial)
0.510 L
Package Weight (Metric)
0.231 kg
Flat cut washers used to improve stress distribution and span large clearance holes. They are made of 18-8 stainless steel with a stainless finish and are intended for assembly around a bolt or screw between the fastener bearing surface and the attached part. The sheet lists a 1/2" fit bolt size, 0.109" thickness, 1.375" outside diameter, and 0.563" inside diameter.

70340J

Flat cut washers used to improve stress distribution and span large clearance holes. They are made of 18-8 stainless steel with a stainless finish and are intended for assembly around a bolt or screw between the fastener bearing surface and the attached part. The sheet lists a 1/2" fit bolt size, 0.109" thickness, 1.375" outside diameter, and 0.563" inside diameter.
1/4" USS Flat Washer 18-8 Stainless Steel

JWW80SS

1/4" USS Flat Washer 18-8 Stainless Steel
Washer, Flat, Size 1/4 Inch, Type 304 Stainless Steel

E147-1/4SS

Washer, Flat, Size 1/4 Inch, Type 304 Stainless Steel

Frequently Asked Questions

What product series does this specification sheet cover?

This specification sheet applies to all USS Flat Washers in the WW and JWW series.

What materials are available for USS Flat Washers?

USS Flat Washers are available in Steel Zinc, 18-8 Stainless Steel, and Black Oxide.

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