5310-01-421-1857

Find complete technical information, availability, and procurement data for: 5310-01-421-1857
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-421-1857

Item Name Code

01857

Assigment Date

11/03/1995 (30 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

hexagon nut style, 2b thread class, right-hand thread direction, 0.552 inches minimum and 0.563 inches maximum width across flats, 0.251 inches minimum and 0.281 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 Class: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.251 inches minimum and 0.281 inches maximum
Width Across Flats: 0.552 inches minimum and 0.563 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.375 inches
Bearing Surface Type: chamfered or washer faced

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
A3210099-1	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-421-1857?

The FSCG of the NSN 5310-01-421-1857 is 5310

Does NSN 5310-01-421-1857 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 5310-01-421-1857 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-421-1857 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 5310-01-421-1857 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Nov 3, 1995