The Lining,friction, cataloged under National Stock Number 1630-00-692-3173, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-692-3173 |
| Primary Part Number | 9521623 |
| Item Name | Lining,friction |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | BRAKE ASSEMBLY,AIRCRAFT |
| Lining Style | PLAIN DISK |
| Features Provided | RIGID FRICTION LINING |
| Surface Condition and Location | ONE SIDE GROUND |
| Application Type | DRY |
| Material | ASBESTOS FRICTION LINING |
| Fabrication Method | MOLDED |
| Major Diameter | 1.974 INCHES NOMINAL IN |
| Thickness | 0.276 INCHES NOMINAL 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 |
| Part Number | Manufacturer |
|---|---|
| 9521623 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9521623 | 5/9 Secondary reference Goodyear Tire and Rubber Co the |
NSN 1630-00-692-3173 is a Lining,friction, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-692-3173 has 1 manufacturer part number on file: 9521623 (Meggitt Aircraft Braking Systems Corporation).
Key specifications for 9521623: FSC Application Data: BRAKE ASSEMBLY,AIRCRAFT; Lining Style: PLAIN DISK; Features Provided: RIGID FRICTION LINING; Surface Condition and Location: ONE SIDE GROUND. 9 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 1630-00-692-3173 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.