5310-01-371-2872

Find complete technical information, availability, and procurement data for: 5310-01-371-2872
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-371-2872

Item Name Code

29729

Assigment Date

02/10/1993 (33 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.984 inches minimum and 1.024 inches maximum washer outside diameter, 3b thread class, prevailing torque all metal design locking feature, right-hand thread direction, 0.625 inches maximum overall height

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.984 inches minimum and 1.024 inches maximum
Overall Height: 0.625 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.084 inches nominal
Width Across Flats: 0.741 inches minimum and 0.752 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.625 inches
Material: iron alloy 660 overall
Material Document And Classification: ams5737 assn std single material response overall
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams4210 assn std single treatment response overall
Specification/Standard Data: 80205-nas1805 professional/industrial association standard

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
NAS1805-10P	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-371-2872?

The FSCG of the NSN 5310-01-371-2872 is 5310

Does the NSN 5310-01-371-2872 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-371-2872 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 5310-01-371-2872 contain precious materials?

Item contains silver.

Does NSN 5310-01-371-2872 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 5310-01-371-2872 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Wed, Feb 10, 1993