MS51922-21

View detailed technical data, stock status, and sourcing information for: MS51922-21
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-959-1488

Item Name Code

05277

Assigment Date

01/01/1960 (66 years ago)

2b thread class, 0.320 inches minimum and 0.415 inches maximum nut height, right-hand thread direction, hexagon nut style, prevailing torque all metal design locking feature

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
Locking Feature: prevailing torque all metal design
Nut Style: hexagon
Nut Height: 0.320 inches minimum and 0.415 inches maximum
End Item Identification: a4 bradley fighting vehicle; a3 bradley fighting vehicle
Width Across Flats: 0.551 inches minimum and 0.564 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Criticality Code Justification: feat
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Special Features: weapon system essential
Material: steel overall
Material Document And Classification: sae j995, gr 5 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416, ty 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-158-4577	No Name Available	01/01/1983
5310-00-834-8710	No Name Available	10/01/1982
5310-01-101-0767	No Name Available	07/01/1992
5310-01-283-1554	No Name Available	05/01/1992

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
039-90010-49	Hexagon Self-Locking Nut
10399531	Hexagon Self-Locking Nut
1DD750	Hexagon Self-Locking Nut
500613-1	Hexagon Self-Locking Nut
5310009591488	Hexagon Self-Locking Nut
5310PL0890470	Hexagon Self-Locking Nut
M45913/2-6FG5C	Hexagon Self-Locking Nut
MS 51922-21	Hexagon Self-Locking Nut
MS51922-21	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-959-1488?

The FSCG of the NSN 5310-00-959-1488 is 5310

Does the NSN 5310-00-959-1488 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-959-1488 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 5310-00-959-1488 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-959-1488 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 5310-00-959-1488 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960