4820-01-146-7921

Find complete technical information, availability, and procurement data for: 4820-01-146-7921
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-146-7921

Item Name Code

05488

Assigment Date

02/05/1983 (43 years ago)

A valve designed specifically so the diaphragm seals the flow stream from the valve operating mechanism. The flow is controlled by the lifting of the diaphragm from or compressing it against an integral seat. For packless diaphragm valves which utilize a diaphragm as packing and a disk to control the flow, see valve, y.

4820-01-146-7921, safety relief valve

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
57390-4	Safety Relief Valve
57390-TAB PART 57390-4	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-146-7921?

The FSCG of the NSN 4820-01-146-7921 is 4820

Does the NSN 4820-01-146-7921 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-146-7921 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 4820-01-146-7921 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-146-7921 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 4820-01-146-7921 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Feb 5, 1983