5310-01-237-3878

Find complete technical information, availability, and procurement data for: 5310-01-237-3878
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-237-3878

Item Name Code

15931

Assigment Date

07/30/1986 (39 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.713 inches minimum and 0.718 inches maximum outside diameter, steel comp 303 overall material, 0.546 inches minimum and 0.554 inches maximum hole diameter, 0.140 inches nominal material thickness, spherical radius 0.375 in. special features

Product Characteristics

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

Hole Diameter: 0.546 inches minimum and 0.554 inches maximum
Outside Diameter: 0.713 inches minimum and 0.718 inches maximum
Material Thickness: 0.140 inches nominal
Special Features: spherical radius 0.375 in.
Material: steel comp 303 overall
Material Document And Classification: astm a582,cond a assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-20134,fscm 58260 mfr ref single treatment response overall
Style Designator: convex

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
13074346	Convex Washer

FAQs

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

What is the FSCG of the NSN 5310-01-237-3878?

The FSCG of the NSN 5310-01-237-3878 is 5310

Does the NSN 5310-01-237-3878 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-237-3878 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 5310-01-237-3878 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-237-3878 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 5310-01-237-3878 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Jul 30, 1986