The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-493-5271, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-493-5271 |
| Primary Part Number | 287 3774-801 |
| Item Name | Valve,regulating,fluid 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 |
|---|---|
| 287 3774-801 PRIMARY | Kalmar Solutions Ab (SWE) |
| Reference | Meaning |
|---|---|
| 287 3774-801 TA | C/1 Advisory reference — outside the item-of-supply concept Macgregor Usa Inc. Div Macgregor Usa |
| 287 3774-801 | 3/9 Design control — primary reference Cargotec Sweden Ab - Macgregor Cranes |
| 287 3774-801 | 5/9 Secondary reference Macgregor Usa Inc. Div Macgregor Usa |
NSN 4820-01-493-5271 is a Valve,regulating,fluid Pressure, manufactured by Kalmar Solutions Ab, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-493-5271 has 1 manufacturer part number on file: 287 3774-801 (Kalmar Solutions Ab).
Key specifications for 287 3774-801: End Item Identification: W/S:T-AKR 287,SL-7 TYPE FAST SEA LIFT E/I:DIRECTION VAL.. 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.