4820-00-022-9943

Find complete technical information, availability, and procurement data for: 4820-00-022-9943
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-022-9943

Item Name Code

35896

Assigment Date

01/01/1963 (63 years ago)

A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes:valve, regulating, fluid pressure and valve, calibrated flow.

zinc outside surface treatment, qq-z-325, type 2 mfr ref single treatment response outside surface treatment document and classification, unable to decode outside surface treatment

Product Characteristics

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

Outside Surface Treatment: unable to decode
Surface Treatment: zinc outside
Surface Treatment Document And Classification: qq-z-325, type 2 mfr ref single treatment response outside

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
1801-20	System Pressure Regulating Valve
AE-R	System Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-022-9943?

The FSCG of the NSN 4820-00-022-9943 is 4820

Does the NSN 4820-00-022-9943 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-022-9943 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 4820-00-022-9943 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-022-9943 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 4820-00-022-9943 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963