The Piston,valve,brake, cataloged under National Stock Number 1630-00-992-3733, 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2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1630-00-992-3733 |
| Item Name | Piston,valve,brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Status | ACTIVE |
| FSC Application Data | VALVE,BRAKE,POWER,AIRCRAFT |
| General Characteristics Item Description | ALUMINUM ALLOY,ANODIZE,1.620 TO 1.630 IN LG,1.121 TO 1.123 IN O/A ODAFTER ANODIZE,1.000 TO 1.010 IN ID IN |
| 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 |
|---|---|
| 215494 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-00-992-3733 is a Piston,valve,brake, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
Key specifications for 1630-00-992-3733: FSC Application Data: VALVE,BRAKE,POWER,AIRCRAFT; General Characteristics Item Description: ALUMINUM ALLOY,ANODIZE,1.620 TO 1.630 IN LG,1.121 TO 1.123 IN O/A ODAFTER ANODIZE,1.000 TO 1.010 IN ID IN. 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.
NSN 1630-00-992-3733 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.