998323

View detailed technical data, stock status, and sourcing information for: 998323
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-375-6158

Item Name Code

27565

Assigment Date

05/15/1993 (33 years ago)

A head covering consisting of an outer shell and a lining designed to provide warmth for flying personnel. It may be ballastic and/or crash protective and may be equipped with an electrical headset and microphone. It may provide chemical defense and nuclear weapon flash protection.

gas media for which designed, cylinder gage furnished items, 4000.0 pounds per square inch maximum inlet pressure rating, manual single stage regulation type

Product Characteristics

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

Furnished Items: cylinder gage
Media For Which Designed: gas
Regulation Type: manual single stage
Maximum Inlet Pressure Rating: 4000.0 pounds per square inch

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
998323	Fluid Pressure Regulating Valve
R-76-75-540	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-375-6158?

The FSCG of the NSN 4820-01-375-6158 is 4820

Does the NSN 4820-01-375-6158 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-375-6158 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 4820-01-375-6158 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-375-6158 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 4820-01-375-6158 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, May 15, 1993