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NSI Industries JG8WW83 - USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 1-3/8 in. outside diameter, 9/16 in. inside diameter, 1/2 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.
NSI Industries

JG8WW83

Alternate Item Number: 80533

UPC: 639720805338

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

The NSI Industries USS Flat Washer (SKU: JG8WW83) is a precision-engineered fastening component designed for heavy-duty industrial applications requiring high-strength, corrosion-resistant washers. Constructed from hardened steel, this washer delivers superior load distribution and prevents surface damage to mating components under high-torque conditions. The zinc chromate finish provides excellent corrosion resistance, ensuring long-term reliability in outdoor, marine, or chemically aggressive environments. With an outside diameter of 1-3/8 inches and an inside diameter of 9/16 inches, this washer accommodates 1/2-inch bolt sizes while maintaining optimal surface contact area for Grade 5 and Grade 8 bolts and nuts. The hardened steel construction resists deformation under heavy clamping forces, making it ideal for structural connections, machinery assemblies, and equipment mounting where vibration resistance is critical. Packaged in quantities of 100, the JG8WW83 offers cost-effective bulk purchasing for industrial distributors, contractors, and maintenance operations. Compliance with industrial standards ensures consistent performance across applications including construction, automotive repair, agricultural equipment, and heavy machinery. The precise dimensional tolerances and durable coating make it a dependable choice for professionals who demand reliable hardware in demanding conditions. Key specifications: - Material: Hardened steel for high tensile strength and durability - Finish: Zinc chromate for corrosion protection in harsh environments - Dimensions: 1-3/8" OD, 9/16" ID, 1/2" bolt fit - Compatibility: Grade 5 and Grade 8 bolts and nuts - Packaging: 100 washers per box - Origin: Manufactured in the USA by NSI Industries
  • Hardened steel construction for high strength and durability
  • Zinc chromate finish provides superior corrosion resistance
  • 1-3/8" outside diameter with 9/16" inside diameter
  • Compatible with Grade 5 and Grade 8 bolts and nuts
  • 100 washers per pack for bulk industrial applications

Specifications

Application
Electrical, Plumbing, Heating and Air Conditioning Industries
Finish
Zink Chromate
Fits Bolt Sizes
1/2 IN
Inside Diameter
9/16 IN
Material
Hardened Steel
Material Quality
Hardened Steel
Outside Diameter
1.375 in
Size
1-3/8 in. OD, 9/16 in. ID, fits 1/2 in. bolts
Standard
USA
Type
Wrought 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)
3.770 L
Package Weight (Metric)
1.710 kg
USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 1-1/4 in. outside diameter, 1/2 in. inside diameter, 7/16 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.

JG8WW87

USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 1-1/4 in. outside diameter, 1/2 in. inside diameter, 7/16 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.
Washer, Flat, Size 1/2 Inch, Steel

E147 1/2

Washer, Flat, Size 1/2 Inch, Steel
This is a flat cut washer for use around a bolt or screw, between the fastener bearing surface and the attached part. It is made of steel with a zinc plated finish and is silver in color. The washer is sized for 1/2" bolts and has an inside diameter of 0.531", outside diameter of 1.063", and thickness of 0.094".

40340SAEJ

This is a flat cut washer for use around a bolt or screw, between the fastener bearing surface and the attached part. It is made of steel with a zinc plated finish and is silver in color. The washer is sized for 1/2" bolts and has an inside diameter of 0.531", outside diameter of 1.063", and thickness of 0.094".
USS Flat Washer, Steel material, Zinc Chromate finish, 1-3/4 in. outside diameter, 11/16 in. inside diameter, 5/8 in. fits bolt sizes, 100 per pack

JWW84

USS Flat Washer, Steel material, Zinc Chromate finish, 1-3/4 in. outside diameter, 11/16 in. inside diameter, 5/8 in. fits bolt sizes, 100 per pack
USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 7/8 in. outside diameter, 3/8 in. inside diameter, 5/16 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.

JG8WW81

USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 7/8 in. outside diameter, 3/8 in. inside diameter, 5/16 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.
USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 2 in. outside diameter, 13/16 in. inside diameter, 3/4 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.

JG8WW85

USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 2 in. outside diameter, 13/16 in. inside diameter, 3/4 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.
USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 2-1/4 in. outside diameter, 15/16 in. inside diameter, 7/8 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.

JG8WW84

USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 2-1/4 in. outside diameter, 15/16 in. inside diameter, 7/8 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.
USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 1-3/4 in. outside diameter, 11/16 in. inside diameter, 5/8 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.

JG8WW86

USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 1-3/4 in. outside diameter, 11/16 in. inside diameter, 5/8 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.

Frequently Asked Questions

What product series does this specification sheet cover?

This specification sheet applies to all USS Flat Washers in the JWWG5 and JG8WW series.

What type of washer is JG8WW83?

JG8WW83 is a USS Flat Washer in the Grade 8 Zinc series.

What finish is used on this washer series?

The washers in this series are zinc finished.

Are operating specifications listed for this washer?

The document does not list operating voltage, temperature, or other operating requirements.

Does the document list installation requirements?

No installation requirements are provided in the document.

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