The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-435-1557, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is E-W Truck & Equipment Co., Inc. Dba E-W Truck & Equipment Co Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-435-1557 |
| Primary Part Number | 6645225 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | E-W Truck & Equipment Co., Inc. Dba E-W Truck & Equipment Co Inc |
| Status | ACTIVE |
| Valve Loading Method | SPRING |
| 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 |
|---|---|
| 6645225 PRIMARY | E-W Truck & Equipment Co., Inc. Dba E-W Truck & Equipment Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 3126287-6 | 5/9 Secondary reference E-W Truck & Equipment Co., Inc. Dba E-W Truck & Equipment Co Inc |
| 3126287-6 | 5/9 Secondary reference Volvo Ab |
NSN 4820-01-435-1557 is a Valve,regulating,fluid Pressure, manufactured by E-W Truck & Equipment Co., Inc. Dba E-W Truck & Equipment Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-435-1557 has 1 manufacturer part number on file: 6645225 (E-W Truck & Equipment Co., Inc. Dba E-W Truck & Equipment Co Inc).
Key specifications for 6645225: Valve Loading Method: SPRING; End Item Identification: WEAPON SYSTEM E/I STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 1 specification is 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.