ST4M183-1

View detailed technical data, stock status, and sourcing information for: ST4M183-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-005-4036

Item Name Code

15933

Assigment Date

06/24/1975 (51 years ago)

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

1.280 inches minimum and 1.340 inches maximum outside diameter, 0.186 inches nominal material thickness, 0.755 inches minimum and 0.775 inches maximum hole diameter, 0.110 inches minimum and 0.130 inches maximum overall height, 0.070 inches minimum and 0.090 inches maximum recess depth

Product Characteristics

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

Hole Diameter: 0.755 inches minimum and 0.775 inches maximum
Outside Diameter: 1.280 inches minimum and 1.340 inches maximum
Overall Height: 0.110 inches minimum and 0.130 inches maximum
Recess Depth: 0.070 inches minimum and 0.090 inches maximum
Material Thickness: 0.186 inches nominal
Material: steel comp 630 overall
Material Document And Classification: ams 5643 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: recessed

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
ST4M183-1	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-005-4036?

The FSCG of the NSN 5310-01-005-4036 is 5310

Does the NSN 5310-01-005-4036 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-005-4036 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 5310-01-005-4036 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-005-4036 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 5310-01-005-4036 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Tue, Jun 24, 1975