5310-00-007-9941

Find complete technical information, availability, and procurement data for: 5310-00-007-9941
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-007-9941

Item Name Code

16979

Assigment Date

07/09/1972 (54 years ago)

A nut, flat on top and bottom, having eight flat sides. It may include a retaining dowel pin. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).

2b thread class, plain, octagon nut style, 2.750 inches nominal nut counterbore diameter, right-hand thread direction, 0.485 inches nominal 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
Counterbore Diameter: 2.750 inches nominal nut
Nut Style: plain, octagon
Nut Height: 0.485 inches nominal
Nut Counterbore Depth: 0.093 inches nominal nut
Width Across Flats: 3.812 inches nominal
Thread Series: un
Thread Quantity Per Inch: 16
Nominal Thread Size: 2.500 inches
Bearing Surface Type: chamfered
Special Features: one round protrusion on bearing surface
Material: steel 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
11662296-7	Octagon Plain Nut
1227S877	Octagon Plain Nut
A1227S877	Octagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-007-9941?

The FSCG of the NSN 5310-00-007-9941 is 5310

Does the NSN 5310-00-007-9941 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-007-9941 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 5310-00-007-9941 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-007-9941 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 5310-00-007-9941 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Jul 9, 1972