5310-01-017-6518

Find complete technical information, availability, and procurement data for: 5310-01-017-6518
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-017-6518

Item Name Code

01857

Assigment Date

03/12/1976 (50 years ago)

A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. Is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. See also nut (1) self-locking, blind rivet. Excludes:nut (1), sleeve.

2b thread class, 0.073 inches minimum and 0.083 inches maximum nut height, 0.302 inches minimum and 0.313 inches maximum width across flats, hexagon nut style, right-hand thread direction

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: 0.073 inches minimum and 0.083 inches maximum
Width Across Flats: 0.302 inches minimum and 0.313 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Bearing Surface Type: chamfered
Material: steel comp 302 or steel comp 303s or steel comp 303se or steel comp 316 overall
Material Document And Classification: mil-s-7720 mil spec all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072,e300 mil spec single treatment response 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
1/4-28UNF-2B	Hexagon Plain Nut
107304-104	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-017-6518?

The FSCG of the NSN 5310-01-017-6518 is 5310

Does the NSN 5310-01-017-6518 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-017-6518 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 5310-01-017-6518 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-017-6518 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 5310-01-017-6518 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Fri, Mar 12, 1976