The Valve,safety Relief,oxygen Syste, cataloged under National Stock Number 4820-01-348-2766, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Gentex Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-348-2766 |
| Primary Part Number | G002-1156-01 |
| Item Name | Valve,safety Relief,oxygen Syste |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Gentex Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| G002-1156-01 PRIMARY | Gentex Corp (USA) |
| Reference | Meaning |
|---|---|
| 4820PL0549748 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4820-01-348-2766 is a Valve,safety Relief,oxygen Syste, manufactured by Gentex Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-348-2766 has 1 manufacturer part number on file: G002-1156-01 (Gentex Corp).
Key specifications for G002-1156-01: Special Features: VALVE DESIGNATED AS A RELIEF,PRESSURE BREATHING FOR GRAVITY(PBG); CONSISTS OF THE FOLLOWING ITEMS,CAGEC 60240: 1 SEAT,P/N G002-1157-01,1 HOUSING,VENT; P/N G002-1158-01; 1 POPPET ASSY,P/N G002-1090-01; 1 SPRING,COMPRESSION; P/N G002-1088-01;1 SEAT,SPRING; P/N G002-1089-01; AS REQ,GLYPTAL,P/N G002-9007-01. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.