5310-00-062-8807

Find complete technical information, availability, and procurement data for: 5310-00-062-8807
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-062-8807

Item Name Code

15930

Assigment Date

01/01/1963 (63 years ago)

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes:washer (1), recessed and bearing, washer, thrust.

0.340 inches nominal material thickness, 0.450 inches minimum and 0.460 inches maximum radius, 0.925 inches nominal outside diameter, 0.624 inches minimum and 0.633 inches maximum hole diameter, 0.130 inches nominal recess depth

Product Characteristics

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

Hole Diameter: 0.624 inches minimum and 0.633 inches maximum
Radius: 0.450 inches minimum and 0.460 inches maximum
Outside Diameter: 0.925 inches nominal
Recess Depth: 0.130 inches nominal
Material Thickness: 0.340 inches nominal
Hardness Rating: 32.0 rockwell c minimum and 37.0 rockwell c maximum
Surface Finish: 63.0 microinches top
Special Features: bottom serrated
Material: steel comp 4340 or steel comp e4340 overall
Material Document And Classification: mil-s-5000,cond c mil spec all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator: concave

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
10560158-5	Concave Washer

FAQs

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

What is the FSCG of the NSN 5310-00-062-8807?

The FSCG of the NSN 5310-00-062-8807 is 5310

Does the NSN 5310-00-062-8807 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-062-8807 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 5310-00-062-8807 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-062-8807 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 5310-00-062-8807 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963