5310-00-151-3966

Find complete technical information, availability, and procurement data for: 5310-00-151-3966
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-151-3966

Item Name Code

15931

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 raised to form a curved or spherical contour. See also washer (1), concave. Excludes:bearing, washer thrust.

0.224 inches minimum and 0.228 inches maximum material thickness, 36.0 rockwell c minimum and 40.0 rockwell c maximum hardness rating, 90 deg countersink on flat bearing surface,58 to 62 deg countersink on convex bearing surface special features, 1.000 inches nominal outside diameter, 0.594 inches nominal hole diameter

Product Characteristics

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

Hole Diameter: 0.594 inches nominal
Outside Diameter: 1.000 inches nominal
Material Thickness: 0.224 inches minimum and 0.228 inches maximum
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Special Features: 90 deg countersink on flat bearing surface,58 to 62 deg countersink on convex bearing surface
Material: steel comp 8740 or steel comp 4140 overall
Material Document And Classification: ams 6322 assn std 1st material response and ams 6382 assn std 2nd material response overall
Surface Treatment: cadmium overall
Style Designator: convex

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-209-5156	No Name Available	01/07/1970

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
2093D18	Convex Washer
5310EG012	Convex Washer

FAQs

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

What is the FSCG of the NSN 5310-00-151-3966?

The FSCG of the NSN 5310-00-151-3966 is 5310

Does the NSN 5310-00-151-3966 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-151-3966 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 5310-00-151-3966 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-151-3966 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 5310-00-151-3966 was assigned to the Federal Catalog?

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