5310-00-943-1991

Find complete technical information, availability, and procurement data for: 5310-00-943-1991
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-943-1991

Item Name Code

15887

Assigment Date

12/21/1965 (60 years ago)

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. An integral feature is incorporated for locking on the threads of a mating member. Do not use if a more specific item name applies. Excludes:collar, pin-rivet, threaded; insert, screw thread; nut (1), sleeve; nut(1), plain, cap; and turnbuckle body.

2.106 inches nominal nut diameter, right-hand thread direction, 3b thread class, 0.162 inches nominal flange thickness, 0.312 inches nominal nut thickness

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Flange Thickness: 0.162 inches nominal
Nut Diameter: 2.106 inches nominal
Nut Thickness: 0.312 inches nominal
Undercut Thickness: 0.100 inches nominal
Drive Point Quantity: 8
Thread Series: uns
Thread Quantity Per Inch: 16
Hardness Rating: 26.0 rockwell c minimum and 33.0 rockwell c maximum
Nominal Thread Size: 2.312 inches
Material: steel comp 4340 overall
Material Document And Classification: mil-s-5000 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
S6135-20053-4	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-943-1991?

The FSCG of the NSN 5310-00-943-1991 is 5310

Does the NSN 5310-00-943-1991 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-943-1991 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 5310-00-943-1991 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-943-1991 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 5310-00-943-1991 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Tue, Dec 21, 1965