The Valve,check,oxygen System, cataloged under National Stock Number 4820-01-320-2836, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-320-2836 |
| Primary Part Number | SV795704-1CP |
| Item Name | Valve,check,oxygen System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| 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 |
|---|---|
| SV795704-1CP | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| SV795841 FIND 1CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| SV795704-1 | 5/1 Secondary reference U.S. Government activity |
| SV795704-1 | 5/1 Secondary reference Connecticut Technologies Consortium Inc |
| SV795704-1 | 3/1 Design control — primary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| SV795704 FIND 1 | 5/1 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| SV795841-1 FIND 1 | 5/1 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| SV795841 FIND 1 | 5/1 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 4820-01-320-2836 is a Valve,check,oxygen System, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-320-2836 has 2 manufacturer part numbers on file: SV795704-1CP (Hamilton Sundstrand Corporation Dba Collins Aerospace), SV795841 FIND 1CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for SV795704-1CP: Criticality Code Justification: ZZZY; End Item Identification: MANIFOLD ASSY 1A (OXYGEN) OGP A; 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.