The Valve,main, cataloged under National Stock Number 4810-01-178-3073, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-178-3073 |
| Item Name | Valve,main |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| General Characteristics Item Description | SIZE 2 IN IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| R431003515 | 5/9 Secondary reference Bosch Rexroth Corporation Div Bosch Rexroth |
| P55020-0002 PIECE 4B | 5/9 Secondary reference Bosch Rexroth Corporation Div Bosch Rexroth |
| P54997-0002 | 3/9 Design control — primary reference Bosch Rexroth Corporation Div Bosch Rexroth |
| P054997K-0002 | 5/9 Secondary reference Bosch Rexroth Corporation Div Bosch Rexroth |
NSN 4810-01-178-3073 is a Valve,main, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-01-178-3073: General Characteristics Item Description: SIZE 2 IN IN; End Item Identification: AMERICAN STANDARD INC FLUID POWER DIV TYPE B FLO REG VALVE. 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.