4820-01-021-3858

Find complete technical information, availability, and procurement data for: 4820-01-021-3858
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-021-3858

Item Name Code

77777

Assigment Date

05/15/1976 (50 years ago)

A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see valve (1), safety relief.

cres; 2.585 in. o/a lg; 1.060 in. major dia; one end hexagon in shape general characteristics item description

Product Characteristics

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

General Characteristics Item Description: cres; 2.585 in. o/a lg; 1.060 in. major dia; one end hexagon in shape

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
024-021755PC27	Valve Ball Support
935505	Valve Ball Support

FAQs

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

What is the FSCG of the NSN 4820-01-021-3858?

The FSCG of the NSN 4820-01-021-3858 is 4820

Does NSN 4820-01-021-3858 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 4820-01-021-3858 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-021-3858 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 4820-01-021-3858 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sat, May 15, 1976