7402791

View detailed technical data, stock status, and sourcing information for: 7402791
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-740-2791

Item Name Code

01857

Assigment Date

01/01/1963 (63 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.

right-hand thread direction, 2b thread class, 0.131 inches minimum and 0.151 inches maximum nut height, hexagon nut style, 0.865 inches minimum and 0.885 inches maximum width across flats

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.131 inches minimum and 0.151 inches maximum
Width Across Flats: 0.865 inches minimum and 0.885 inches maximum
Thread Series: unef
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.688 inches
Countersink Angle: 90.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Material: steel comp 1212 or steel comp 1117 overall
Material Document And Classification: ms 5010 assn std single material response or ms5022 assn std single material response overall
Surface Treatment: zinc 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
60-77304	Hexagon Plain Nut
7402791	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-740-2791?

The FSCG of the NSN 5310-00-740-2791 is 5310

Does the NSN 5310-00-740-2791 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-740-2791 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 5310-00-740-2791 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-740-2791 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 5310-00-740-2791 was assigned to the Federal Catalog?

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