The Valve,safety Relief,oxygen Syste, cataloged under National Stock Number 4820-01-321-2952, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-321-2952 |
| Primary Part Number | 269-438CP |
| Item Name | Valve,safety Relief,oxygen Syste |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 269-438CP | Naval Inventory Control Point Mechanicsburg (USA) |
| SV799336 FIND 9CP | Naval Inventory Control Point Mechanicsburg (USA) |
| SV795614-3CP | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| SV795614-3CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| SV795614-3 | 5/1 Secondary reference U.S. Government activity |
| 269-438 | 5/1 Secondary reference Tescom Corp Dba Tescom Div Tescom |
| SV799336 FIND 9 | 5/1 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| SV795614-3 | 3/1 Design control — primary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 4820-01-321-2952 is a Valve,safety Relief,oxygen Syste, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-321-2952 has 4 manufacturer part numbers on file: 269-438CP (Naval Inventory Control Point Mechanicsburg), SV799336 FIND 9CP (Naval Inventory Control Point Mechanicsburg), SV795614-3CP (Hamilton Sundstrand Corporation Dba Collins Aerospace), SV795614-3CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 269-438CP: Criticality Code Justification: ZZZY; End Item Identification: MANIFOLD ASSY 1B (NITROGEN) OGP; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 2 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.