The Valve,check,oxygen System, cataloged under National Stock Number 4820-01-317-1357, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-317-1357 |
| Primary Part Number | F204-5600-1 |
| Item Name | Valve,check,oxygen System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Supplementary Features | PART OF: VEST VALVE/HOSE ASSEMBLY,PART NBR G002-1094-01,CAGE CODE 60240 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| F204-5600-1 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| G033-1012-01 | Gentex Corp (USA) |
| 3473AS520-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| G033-1012-01 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4820PL1626963 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4820PL0656348 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4820-01-317-1357 is a Valve,check,oxygen System, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-317-1357 has 3 manufacturer part numbers on file: F204-5600-1 (Mission Systems Orchard Park Inc), G033-1012-01 (Gentex Corp), 3473AS520-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for F204-5600-1: Supplementary Features: PART OF: VEST VALVE/HOSE ASSEMBLY,PART NBR G002-1094-01,CAGE CODE 60240. 1 specification is 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.
NSN 4820-01-317-1357 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.