The Valve,power Brake,aircraft, cataloged under National Stock Number 1630-01-159-0238, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1630-01-159-0238 |
| Item Name | Valve,power Brake,aircraft |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Status | ACTIVE |
| General Characteristics Item Description | SERVICE: MIL-H-5606 FUIDS; 3000 PSI OPERATING PRESSURE AT BRAKE,PRESSURE AND RETRACT PORTS; 245 TO 345 PSI RETRACT BRAKE PRESSURE; -65 DEG F TO 200 DEG F OPERATING TEMPERATURE RANGE DEGF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 65640 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-01-159-0238 is a Valve,power Brake,aircraft, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-546-4404. Verify interchangeability with system specifications before substitution.
Key specifications for 1630-01-159-0238: General Characteristics Item Description: SERVICE: MIL-H-5606 FUIDS; 3000 PSI OPERATING PRESSURE AT BRAKE,PRESSURE AND RETRACT PORTS; 245 TO 345 PSI RETRACT BRAKE PRESSURE; -65 DEG F TO 200 DEG F OPERATING TEMPERATURE RANGE DEGF. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1630-01-159-0238 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.