The Valve,lift-Check, cataloged under National Stock Number 4820-01-320-2831, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 3 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-320-2831 |
| Primary Part Number | 309-036CP |
| Item Name | Valve,lift-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tescom Corp Dba Tescom Div Tescom |
| Status | ACTIVE |
| FSC Application Data | MANIFOLD ASSEMBLY OXYGEN GENERATOR PLANT |
| 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 |
|---|---|
| 309-036CP | Tescom Corp Dba Tescom Div Tescom (USA) |
| SV795617-1DG | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 309-036CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SV795617-1DGCP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SV795617-1 | 3/1 Design control — primary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| SV799335 FIND 13CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SV799336 FIND 8CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SV795617-1CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SV799336 FIND 8 | 5/1 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| SV799336 FIND 5CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SV799335 FIND 13 | 5/1 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| SV799339 FIND 5 | 5/1 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| 309-036 | 5/1 Secondary reference Tescom Corp Dba Tescom Div Tescom |
NSN 4820-01-320-2831 is a Valve,lift-Check, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-320-2831 has 2 manufacturer part numbers on file: 309-036CP (Tescom Corp Dba Tescom Div Tescom), SV795617-1DG (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 309-036CP: FSC Application Data: MANIFOLD ASSEMBLY OXYGEN GENERATOR PLANT; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 3 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.