The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-494-0432, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kalmar Solutions Ab. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-494-0432 |
| Primary Part Number | 078 0053-809 |
| Item Name | Valve,regulating,system Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kalmar Solutions Ab |
| 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 |
|---|---|
| 078 0053-809 PRIMARY | Kalmar Solutions Ab (SWE) |
| Reference | Meaning |
|---|---|
| 078 0053-809 TA | C/1 Advisory reference — outside the item-of-supply concept Macgregor Usa Inc. Div Macgregor Usa |
| 0780053-814 | C/1 Advisory reference — outside the item-of-supply concept Macgregor Usa Inc. Div Macgregor Usa |
| 078 0053-809 | 3/9 Design control — primary reference Cargotec Sweden Ab - Macgregor Cranes |
| 078 0053-814 TA | C/1 Advisory reference — outside the item-of-supply concept Macgregor Usa Inc. Div Macgregor Usa |
| 078 0053-809 | 5/9 Secondary reference Macgregor Usa Inc. Div Macgregor Usa |
NSN 4820-01-494-0432 is a Valve,regulating,system Pressure, manufactured by Kalmar Solutions Ab, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-494-0432 has 1 manufacturer part number on file: 078 0053-809 (Kalmar Solutions Ab).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-538-2188. Verify interchangeability with system specifications before substitution.
Key specifications for 078 0053-809: Special Features: NHA WINCH VALVE; End Item Identification: FAST SEALIFT SHIP, T-AKR 287. 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.