The Valve,safety Relief, cataloged under National Stock Number 4820-01-446-4913, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Danfoss Fluid Power Inc Easley Opn. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-446-4913 |
| Primary Part Number | 158G5233 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Danfoss Fluid Power Inc Easley Opn |
| 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 |
|---|---|
| 1SA12-01-V-3B-E-B-XXX | Danfoss Fluid Power Inc Easley Opn (USA) |
| 158G5233 PRIMARY | Danfoss Fluid Power Inc Easley Opn (USA) |
| Reference | Meaning |
|---|---|
| 1SD10-P6S | C/1 Advisory reference — outside the item-of-supply concept Wartsila Netherlands |
| W000505816-14 | C/1 Advisory reference — outside the item-of-supply concept Wartsila Netherlands |
| 1SD10-P62 | 5/9 Secondary reference Danfoss Fluid Power Inc Easley Opn |
NSN 4820-01-446-4913 is a Valve,safety Relief, manufactured by Danfoss Fluid Power Inc Easley Opn, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-446-4913 has 2 manufacturer part numbers on file: 1SA12-01-V-3B-E-B-XXX (Danfoss Fluid Power Inc Easley Opn), 158G5233 (Danfoss Fluid Power Inc Easley Opn).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-446-7478. Verify interchangeability with system specifications before substitution.
Key specifications for 158G5233: Part Name Assigned by Controlling Agency: SEQUENCE CARTRIDGE VALVE; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 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.