The Piston,hydraulic Brake, cataloged under National Stock Number 1630-00-876-0743, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Meggitt Aircraft Braking Systems Corporation. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-876-0743 |
| Primary Part Number | 9532801 |
| Item Name | Piston,hydraulic Brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | PISTON ASSY,ACFT WHEEL BRAKE |
| Length | 1.875 INCHES NOMINAL IN |
| Piston Cup | NOT INCLUDED |
| Surface Condition | EXTERNALLY GROOVED |
| Groove Depth | 0.370 INCHES NOMINAL IN |
| Outside Diameter | 3.373 INCHES NOMINAL IN |
| Size Designator | 3-3/8 IN. IN |
| Material | MAGNESIUM ALLOY |
| Construction Type | ONE-PIECE |
| Groove Width | 0.311 INCHES NOMINAL IN |
| Shoe Actuating End Type | RECESSED FOR STEEL INSERT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9532801 | Goodyear Tire and Rubber Co the (USA) |
| 9532801 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9532801 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
NSN 1630-00-876-0743 is a Piston,hydraulic Brake, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-876-0743 has 2 manufacturer part numbers on file: 9532801 (Goodyear Tire and Rubber Co the), 9532801 (Meggitt Aircraft Braking Systems Corporation).
Key specifications for 9532801: FSC Application Data: PISTON ASSY,ACFT WHEEL BRAKE; Length: 1.875 INCHES NOMINAL IN; Piston Cup: NOT INCLUDED; Surface Condition: EXTERNALLY GROOVED. 11 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 1630-00-876-0743 has DEMIL Code Q. 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.