5310-00-274-9378

Find complete technical information, availability, and procurement data for: 5310-00-274-9378
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-274-9378

Item Name Code

05277

Assigment Date

01/01/1963 (63 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.

right-hand thread direction, prevailing torque all metal design or prevailing torque with nonmetallic insert locking feature, 3b thread class, 0.390 inches minimum and 0.422 inches maximum nut height, 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design or prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 0.390 inches minimum and 0.422 inches maximum
Width Across Flats: 1.053 inches minimum and 1.065 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.750 inches
Bearing Surface Type: flat
Material: steel overall
Surface Treatment: cadmium or zinc overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-331-2696	No Name Available	01/01/1963
2930-00-934-2086	No Name Available	06/10/1967

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
AN364-1216	Hexagon Self-Locking Nut
MS20364-1216	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-274-9378?

The FSCG of the NSN 5310-00-274-9378 is 5310

Does the NSN 5310-00-274-9378 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-274-9378 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 5310-00-274-9378 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-274-9378 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 5310-00-274-9378 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963