NSI Industries JW1141SS - Fender Washer, Stainless Steel material, 1/4 in. inside diameter, 1-1/2 in. outside diameter, 100 per pack, 1/4 in. fits bolt sizes, 316 grade
NSI Industries

JW1141SS

Alternate Item Number: 91513

UPC: 639720915136


Documents & Media
Specification Sheet

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Minimum Qty: 100

Multiplier: 100

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Overview

The NSi Industries JW1141SS fender washer is a precision-engineered stainless steel component designed for industrial applications requiring corrosion resistance and load distribution. Manufactured from 316-grade stainless steel, this washer resists pitting and corrosion in harsh environments, including marine and chemical exposure, outperforming standard 18-8 stainless steel in chloride-rich conditions. With a 1/4-inch inside diameter and a 1-1/2-inch outside diameter, it accommodates standard 1/4-inch bolts while providing an expanded bearing surface to reduce surface pressure and prevent damage to softer materials. The wide outer diameter distributes mechanical loads evenly, making it ideal for use with soft gaskets, wood, plastic, or painted surfaces where clamping force must be spread over a larger area. Packaged in a 100-piece bulk pack, the JW1141SS is optimized for high-volume industrial, construction, and marine applications where reliability and repeatability are critical. Common uses include securing fender systems, mounting hardware in corrosive environments, and general-purpose bolting where vibration resistance and long-term durability are required. The 316-grade stainless steel composition ensures compliance with ASTM A193 and A276 standards, offering superior tensile strength and temperature resistance up to 870°C (1600°F) in intermittent service. Unlike standard flat washers, the fender washer’s larger outer diameter provides enhanced stability and prevents pull-through in soft substrates, reducing maintenance cycles and failure rates in dynamic loading conditions.
  • 316-grade stainless steel for superior corrosion resistance in marine and chemical environments
  • 1/4" inside diameter fits standard 1/4" bolts
  • 1-1/2" outside diameter distributes load evenly, preventing surface damage
  • Packaged in 100-piece bulk quantity for industrial use
  • ASTM A193/A276 compliant for high-temperature and high-stress applications

Specifications

Application
Electrical, Plumbing, Heating and Air Conditioning Industries
Inside Diameter
1/4 IN
Material
Stainless Steel
Material
316 Stainless Steel
Outside Diameter
1.5 in
Size
1/4 in. ID, 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 3.6 IN
Package Dimensions (L x W x H)
7.62 cm x 7.62 cm x 9.144 cm
Package Weight (Imperial)
2.873 L
Package Weight (Metric)
1.303 kg
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

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
Washer, Fender, Size 1/2 Inch, Diameter 2 Inches, Type 316 Stainless Steel

EF147-1/2SS316

Washer, Fender, Size 1/2 Inch, Diameter 2 Inches, Type 316 Stainless Steel
A fender washer identified as catalog number 70755SS316J. It is made of 316 stainless steel with a plain finish. The washer has an inside diameter of 0.531 in and an outside diameter of 2.000 in.

70755SS316J

A fender washer identified as catalog number 70755SS316J. It is made of 316 stainless steel with a plain finish. The washer has an inside diameter of 0.531 in and an outside diameter of 2.000 in.

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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