Valve, Check, Oxygen System4820-01-435-0294

NSN 4820-01-435-0294 · NIIN 014350294

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-435-0294 · 4820014350294 · NIIN 014350294 · 01-435-0294 · FSC 4820 Valves, Nonpowered · 9320001 · CV99-173-1

Nearby stock numbers ← 4820-01-435-0291 Valve, Regulating, System Pressure · 4820-01-435-0300 Seat, Valve →

4820-01-435-0294 — Valves, Nonpowered

Features

Valve,check,oxygen System — FSC 4820
Connection Style: PLAIN (SCREW-IN CARTRIDGE) ALL ENDS
Connection Type: THREADED CARTRIDGE ALL ENDS
Style Designator: SCREW-IN CARTRIDGE
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 1600.0 FAHRENHEIT SINGLE RESPONSE DEGF

Identification

NSN: 4820-01-435-0294
NIIN: 014350294
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,check,oxygen System, cataloged under National Stock Number 4820-01-435-0294, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-435-0294
Item Name	Valve,check,oxygen System
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Connection Style	PLAIN (SCREW-IN CARTRIDGE) ALL ENDS
Connection Type	THREADED CARTRIDGE ALL ENDS
Style Designator	SCREW-IN CARTRIDGE
Operating Pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp	1600.0 FAHRENHEIT SINGLE RESPONSE DEGF

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
9320001	5/9 Secondary reference Conax Florida Corporation
CV99-173-1	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-435-0294?

NSN 4820-01-435-0294 is a Valve,check,oxygen System, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-435-0294?

Key specifications for 4820-01-435-0294: Connection Style: PLAIN (SCREW-IN CARTRIDGE) ALL ENDS; Connection Type: THREADED CARTRIDGE ALL ENDS; Style Designator: SCREW-IN CARTRIDGE; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-435-0294 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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