91079A037

View detailed technical data, stock status, and sourcing information for: 91079A037
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-971-7990

Item Name Code

01857

Assigment Date

10/05/1966 (59 years ago)

right-hand thread direction, 0.458 inches minimum and 0.510 inches maximum nut height, 1.2690 inches minimum and 1.3125 inches maximum width across flats, hexagon nut style, 2b 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: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.458 inches minimum and 0.510 inches maximum
Width Across Flats: 1.2690 inches minimum and 1.3125 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 14
Hardness Rating: 121.0 brinell standard minimum
Nominal Thread Size: 0.875 inches
Bearing Surface Type: chamfered or washer faced
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-042-7352	No Name Available	03/01/1984
5310-00-186-9429	No Name Available	01/01/1983

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
5310009717990	Hexagon Plain Nut
8D14	Hexagon Plain Nut
91079A037	Hexagon Plain Nut
LS1091328-69	Hexagon Plain Nut
MS35691-1424	Hexagon Plain Nut
MS35691-69	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-971-7990?

The FSCG of the NSN 5310-00-971-7990 is 5310

Does the NSN 5310-00-971-7990 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-971-7990 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 5310-00-971-7990 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-971-7990 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 5310-00-971-7990 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Oct 5, 1966