5310-01-008-6778

Find complete technical information, availability, and procurement data for: 5310-01-008-6778
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-008-6778

Item Name Code

04889

Assigment Date

08/29/1975 (50 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

hexagon nut style, right-hand thread direction, 0.312 inches nominal overall height, 2b thread class, 0.625 inches nominal washer outside diameter

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
Washer Outside Diameter: 0.625 inches nominal
Overall Height: 0.312 inches nominal
Nut Style: hexagon
Washer Thickness: 0.130 inches nominal
Width Across Flats: 0.500 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Material: steel comp 1213 overall
Material Document And Classification: aisi assn std single material response overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: mil-c-13924 mil 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-01-229-8028	No Name Available	05/01/1992
5310-01-374-1807	No Name Available	10/01/1996

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
ADB-25150	Nut,plain,extended Washer,hexago
CL-1-FN	Nut,plain,extended Washer,hexago
PWA70136-29	Nut,plain,extended Washer,hexago

FAQs

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

What is the FSCG of the NSN 5310-01-008-6778?

The FSCG of the NSN 5310-01-008-6778 is 5310

Does the NSN 5310-01-008-6778 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-008-6778 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 5310-01-008-6778 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-008-6778 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 5310-01-008-6778 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Fri, Aug 29, 1975