91079A040

View detailed technical data, stock status, and sourcing information for: 91079A040
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-289-7491

Item Name Code

01857

Assigment Date

11/30/1988 (37 years ago)

1.875 inches nominal width across flats, 0.719 inches nominal nut height, hexagon nut style, right-hand thread direction, 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: 0.719 inches nominal
Width Across Flats: 1.875 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.250 inches
Bearing Surface Type: chamfered or washer faced
Material: steel overall
Surface Treatment: zinc 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
91078826	Hexagon Plain Nut
91079A040	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-289-7491?

The FSCG of the NSN 5310-01-289-7491 is 5310

Does the NSN 5310-01-289-7491 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-289-7491 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 5310-01-289-7491 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-289-7491 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 5310-01-289-7491 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Wed, Nov 30, 1988