5310-01-021-1901

Find complete technical information, availability, and procurement data for: 5310-01-021-1901
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-021-1901

Item Name Code

15938

Assigment Date

05/10/1976 (50 years ago)

A pliable rubber, felt, leather, or composition ring-shaped element, split or solid; with or without spring or spreader, having a metal shell on all or a portion of at least two of the outer surfaces. It may be designed to be either bolt mounted or pressmounted between fixed and moveable parts to form a tight and effective seal by the pressure of the spring or spreader or the resiliency inherent in the element material. Excludes:packing with retainer.

40.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating, 2.400 inches nominal hole diameter, 2.790 inches nominal outside diameter, 0.030 inches nominal material thickness, 0.200 inches nominal overall height

Product Characteristics

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

Hole Diameter: 2.400 inches nominal
Outside Diameter: 2.790 inches nominal
Overall Height: 0.200 inches nominal
Material Thickness: 0.030 inches nominal
Hardness Rating: 40.0 rockwell c minimum and 50.0 rockwell c maximum
Material: steel comp 1075 overall
Material Document And Classification: mil-s-46049 mil spec single material response overall

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
67771	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-01-021-1901?

The FSCG of the NSN 5310-01-021-1901 is 5310

Does the NSN 5310-01-021-1901 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-021-1901 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 5310-01-021-1901 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-021-1901 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 5310-01-021-1901 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, May 10, 1976