5310-01-135-1657

Find complete technical information, availability, and procurement data for: 5310-01-135-1657
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-135-1657

Item Name Code

15895

Assigment Date

07/18/1982 (44 years ago)

An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also locknut, pipe; nut (1), tube coupling and nut (1), plain, hexagon.

6.700 inches nominal nut diameter, 0.748 inches nominal nut thickness, right-hand thread direction, round nut style, 3a thread class

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Nut Style: round
Nut Diameter: 6.700 inches nominal
Nut Thickness: 0.748 inches nominal
Width Across Flats: 5.437 inches nominal
Thread Series: unjs
Thread Quantity Per Inch: 12
Nominal Thread Size: 5.437 inches
Material: steel comp 4340 overall
Material Document And Classification: mil-s-5000 comp 4340 cond c mil spec 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
65391-11625-101	Round Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-135-1657?

The FSCG of the NSN 5310-01-135-1657 is 5310

Does the NSN 5310-01-135-1657 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-135-1657 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 5310-01-135-1657 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-135-1657 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 5310-01-135-1657 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sun, Jul 18, 1982