4254978

View detailed technical data, stock status, and sourcing information for: 4254978
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-139-6963

Item Name Code

04892

Assigment Date

08/18/1971 (55 years ago)

A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.

2b thread class, 0.688 inches nominal nut height, 1.125 inches nominal width across flats, right-hand thread direction, single ball seat, hexagon nut style

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: single ball seat, hexagon
Nut Height: 0.688 inches nominal
Width Across Flats: 1.125 inches nominal
Thread Series: un
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.688 inches
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
400D119	Nut,plain,single Ball Seat,hexag
4254978	Nut,plain,single Ball Seat,hexag

FAQs

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

What is the FSCG of the NSN 5310-00-139-6963?

The FSCG of the NSN 5310-00-139-6963 is 5310

Does the NSN 5310-00-139-6963 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-139-6963 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 5310-00-139-6963 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-139-6963 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 5310-00-139-6963 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Aug 18, 1971