The Piston,hydraulic Brake, cataloged under National Stock Number 1630-00-388-8923, 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 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-388-8923 |
| Primary Part Number | 9510155 |
| 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 | CYLINDER ASSY,HYDRAULIC BRAKE,ACFT |
| Length | 0.332 INCHES NOMINAL IN |
| Piston Cup | NOT INCLUDED |
| Surface Condition | EXTERNALLY GROOVED |
| Groove Depth | 0.120 INCHES NOMINAL IN |
| Outside Diameter | 1.996 INCHES NOMINAL IN |
| Steel Insert | NOT INCLUDED |
| Size Designator | 2 IN. IN |
| Closed End Distance to Raised Seat Wear Surface | 0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN |
| Material | MAGNESIUM ALLOY |
| Construction Type | ONE-PIECE |
| Groove Width | 0.160 INCHES NOMINAL IN |
| Shoe Actuating End Type | FLAT BOTTOM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9510155 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9510155 | 5/9 Secondary reference Goodyear Tire and Rubber Co the |
| 1630PL1661763 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1630-00-388-8923 is a Piston,hydraulic Brake, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-388-8923 has 1 manufacturer part number on file: 9510155 (Meggitt Aircraft Braking Systems Corporation).
Key specifications for 9510155: FSC Application Data: CYLINDER ASSY,HYDRAULIC BRAKE,ACFT; Length: 0.332 INCHES NOMINAL IN; Piston Cup: NOT INCLUDED; Surface Condition: EXTERNALLY GROOVED. 13 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.