5310-00-809-5997

Find complete technical information, availability, and procurement data for: 5310-00-809-5997
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-809-5997

Item Name Code

13393

Assigment Date

01/01/1962 (64 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

round center hole shape style, 0.495 inches minimum and 0.515 inches maximum hole diameter, rectangular cross-sectional shape style, round peripheral shape style, 0.064 inches minimum and 0.104 inches maximum thickness

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.495 inches minimum and 0.515 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.064 inches minimum and 0.104 inches maximum
Overall Diameter: 1.243 inches minimum and 1.280 inches maximum
End Item Identification: mrap buffalo mk2a2
Material: steel overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Nondefinitive Spec/Std Data: a type and 1 grade and a class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-184-2739	No Name Available	05/01/1981
5310-00-638-0051	No Name Available	09/24/1996
5310-01-033-8156	No Name Available	04/01/1978
5310-01-121-8416	No Name Available	05/01/1983
5310-01-254-2480	No Name Available	12/01/1991

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
10398544	Flat Washer
145-4510923-104	Flat Washer
145-4510924M27	Flat Washer
2BD575	Flat Washer
526-1519	Flat Washer
5310008095997	Flat Washer
5310PL0793562	Flat Washer
F-167-210 PIECE 422	Flat Washer
MS27183-17	Flat Washer
MS27183-17 1/2- DIA STL	Flat Washer
SK-2000-8	Flat Washer
XX002-0536	Flat Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-809-5997?

The FSCG of the NSN 5310-00-809-5997 is 5310

Does the NSN 5310-00-809-5997 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-809-5997 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-00-809-5997 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-809-5997 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-00-809-5997 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962