5MH46-7321

View detailed technical data, stock status, and sourcing information for: 5MH46-7321
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-184-8971

Item Name Code

14218

Assigment Date

01/01/1963 (63 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.382 inches minimum and 0.393 inches maximum hole diameter, mrap rg-31; medium mine protected vehicle - mmpv; high-mobility artillery rocket system (himars) end item identification, 0.683 inches maximum outside diameter, 90.0 rockwell b minimum hardness rating, 0.094 inches minimum and 0.104 inches maximum material thickness

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.382 inches minimum and 0.393 inches maximum
Outside Diameter: 0.683 inches maximum
Material Thickness: 0.094 inches minimum and 0.104 inches maximum
End Item Identification: mrap rg-31; medium mine protected vehicle - mmpv; high-mobility artillery rocket system (himars)
Hardness Rating: 90.0 rockwell b minimum
Material: copper alloy overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Style Designator: split helical-right hand

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-402-4577	No Name Available	09/11/1970
5310-00-579-1602	No Name Available	09/01/2023

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
003770	Lock Washer
003770-5	Lock Washer
004-003005-079	Lock Washer
1392 PLAIN	Lock Washer
1392 PLAINADX	Lock Washer
2HS104	Lock Washer
4198010-48	Lock Washer
5310PL0728287	Lock Washer
5MH46-7321	Lock Washer
B27-1	Lock Washer
H41-0002-008	Lock Washer
MS35338-103	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-184-8971?

The FSCG of the NSN 5310-00-184-8971 is 5310

Does the NSN 5310-00-184-8971 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5310-00-184-8971 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 5310-00-184-8971 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-184-8971 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 5310-00-184-8971 was assigned to the Federal Catalog?

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