4M294-28

View detailed technical data, stock status, and sourcing information for: 4M294-28
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-030-4918

Item Name Code

15938

Assigment Date

11/07/1976 (49 years ago)

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

0.368 inches nominal overall height, 2.110 inches nominal outside diameter, 0.016 inches nominal material thickness, 1.650 inches nominal hole diameter, one tab,0.200 in. w,on each side of center hole special features

Product Characteristics

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

Hole Diameter: 1.650 inches nominal
Outside Diameter: 2.110 inches nominal
Overall Height: 0.368 inches nominal
Material Thickness: 0.016 inches nominal
Special Features: one tab,0.200 in. w,on each side of center hole
Material: copper alloy 172 overall
Material Document And Classification: qq-c-533,temper at fed spec single material response overall
Surface Treatment: tin overall
Surface Treatment Document And Classification: mil-t-10727 mil spec single treatment response overall
Style Designator: spring tension

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
4M294-28	Spring Tension Washer
ST4M178A2	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-01-030-4918?

The FSCG of the NSN 5310-01-030-4918 is 5310

Does the NSN 5310-01-030-4918 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-01-030-4918 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 5310-01-030-4918 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-030-4918 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 5310-01-030-4918 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Nov 7, 1976