The Valve Assembly,dual Brake, cataloged under National Stock Number 1630-00-073-7555, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-073-7555 |
| Item Name | Valve Assembly,dual Brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Status | ACTIVE |
| General Characteristics Item Description | 11.120 IN. LG,5.130 IN. W,1.750 IN. H IN |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 695893-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-00-073-7555 is a Valve Assembly,dual Brake, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
Key specifications for 1630-00-073-7555: General Characteristics Item Description: 11.120 IN. LG,5.130 IN. W,1.750 IN. H IN; Criticality Code Justification: FEAT; Special Features: THIS ITEM IS CRITICAL TO APPLICATION (C130 LANDING GEAR COMPONENT) AND IS ESSENTIAL TO WEAPON SYSTEM PERFROMANCE AND OPERATION. PER 417 SCMS LANDING GEAR LEAD ENGINEERING. ITEM IS REQUIRED TO HAVE CRITICALITY CODE OF Y; End Item Identification: C-130 AIRCRAFT; THIS VALVE IS NOT A REPLACEMENT NOR ARE NSN'S A REPLACEMENT (1630008593997, 1630007689921, 1630007385387) ALL HAVE DIFF PRESSURE RATINGS AND WOULD HAVE TO BE CHANGED IN PAIRS. 2 specifications are 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.
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.