5310-01-257-1065

Find complete technical information, availability, and procurement data for: 5310-01-257-1065
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-257-1065

Item Name Code

01857

Assigment Date

06/12/1987 (39 years ago)

An item fabricated from nonmetallic material designed to be used where there is no relative motion between joined parts. Items having a square or rectangular cross section must be a single piece whose ends may have been secured together to form a specific shape. It may be formed to a specific shape, except round, with or without joints. It may have fabric, cord or metal reinforcement. Except for molded corners, end cuts, and mounting facilities such as holes, slots, press-fit buttons, or the like, the item must be of one continuous cross section. For straight items with square end cuts and without mounting holes, slots or press-fit buttons see rubber strip. For items with round cross sections see seal, nonmetallic round section. Excludes:gasket and packing, preformed.

1.269 inches minimum and 1.312 inches maximum width across flats, right-hand thread direction, 2b thread class, 0.600 inches nominal nut height, hexagon nut style

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: 0.600 inches nominal
Width Across Flats: 1.269 inches minimum and 1.312 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 14
Nominal Thread Size: 0.875 inches
Bearing Surface Type: chamfered or washer faced
Material: steel overall
Material Document And Classification: 10705bv,cagec 90099 mfr ref single material 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
1664C21H01	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-257-1065?

The FSCG of the NSN 5310-01-257-1065 is 5310

Does the NSN 5310-01-257-1065 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-257-1065 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 5310-01-257-1065 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-257-1065 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 5310-01-257-1065 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Jun 12, 1987