5310-00-144-3391

Find complete technical information, availability, and procurement data for: 5310-00-144-3391
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-144-3391

Item Name Code

15930

Assigment Date

01/15/1973 (53 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.

0.465 inches minimum and 0.475 inches maximum outside diameter, 0.323 inches minimum and 0.343 inches maximum hole diameter, 0.049 inches nominal recess depth, 0.266 inches nominal radius, 0.111 inches nominal material thickness

Product Characteristics

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

Hole Diameter: 0.323 inches minimum and 0.343 inches maximum
Radius: 0.266 inches nominal
Outside Diameter: 0.465 inches minimum and 0.475 inches maximum
Recess Depth: 0.049 inches nominal
Material Thickness: 0.111 inches nominal
Material: steel 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
10116580	Concave Washer
642AS0737-1	Concave Washer
MM135-4	Concave Washer
ST3M573W4	Concave Washer
ST3M683-4	Concave Washer
SW2000-8W	Concave Washer

FAQs

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

What is the FSCG of the NSN 5310-00-144-3391?

The FSCG of the NSN 5310-00-144-3391 is 5310

Does the NSN 5310-00-144-3391 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-144-3391 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 5310-00-144-3391 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-144-3391 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 5310-00-144-3391 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Mon, Jan 15, 1973