4820-01-424-3998

Find complete technical information, availability, and procurement data for: 4820-01-424-3998
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-424-3998

Item Name Code

22113

Assigment Date

01/26/1996 (30 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.

strategic sealift conversion ships class end item identification, steel corrosion resisting seat material, plain flanged style designator

Product Characteristics

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

End Item Identification: strategic sealift conversion ships class
Material: steel corrosion resisting seat
Style Designator: plain flanged

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
FTC-678036-101	Valve Seat
TH23004 PT 101	Valve Seat
TH23004-101	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-424-3998?

The FSCG of the NSN 4820-01-424-3998 is 4820

Does the NSN 4820-01-424-3998 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-424-3998 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 4820-01-424-3998 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-424-3998 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 4820-01-424-3998 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Jan 26, 1996