5310-01-023-2991

Find complete technical information, availability, and procurement data for: 5310-01-023-2991
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-023-2991

Item Name Code

05277

Assigment Date

06/14/1976 (50 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.

prevailing torque all metal design locking feature, hexagon nut style, right-hand thread direction, +0.1457 to 0.1476 inches thread pitch diameters, 0.224 inches minimum and 0.244 inches maximum nut height

Product Characteristics

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

Thread Pitch Diameters: +0.1457 to 0.1476 inches
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Nut Style: hexagon
Nut Height: 0.224 inches minimum and 0.244 inches maximum
Width Across Flats: 0.302 inches minimum and 0.314 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 32
Hardness Rating: 28.0 rockwell c minimum and 32.0 rockwell c maximum
Nominal Thread Size: 0.164 inches
Bearing Surface Type: chamfered
Material: steel comp 303 or steel comp 303se or steel comp 303 plus x overall
Material Document And Classification: ams 5640 assn std all material responses overall

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
10121979	Hexagon Self-Locking Nut
3009922	Hexagon Self-Locking Nut
5310PL0135816	Hexagon Self-Locking Nut
FIC832-1	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-023-2991?

The FSCG of the NSN 5310-01-023-2991 is 5310

Does the NSN 5310-01-023-2991 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-023-2991 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 5310-01-023-2991 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-023-2991 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 5310-01-023-2991 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, Jun 14, 1976