The Lining,friction, cataloged under National Stock Number 1630-01-249-0040, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1630-01-249-0040 |
| Primary Part Number | 5009401 |
| Item Name | Lining,friction |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT BRAKE SYSTEM |
| Major Width | 3.020 INCHES NOMINAL IN |
| Hole Arrangement Style | DOUBLE EVEN |
| Mounting Hole Diameter | 0.160 INCHES NOMINAL IN |
| Lining Style | DISK BRAKE SHOE |
| Major Thickness | 0.426 INCHES NOMINAL IN |
| Application Type | DRY |
| Attachment Method | RIVETED |
| Material | STEEL FRICTION LINING |
| Fabrication Method | MOLDED |
| Hole Type and Quantity | 4 THRU-HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9521541-2 | Meggitt Aircraft Braking Systems Corporation (USA) |
| 5009401 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9521541-2 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
NSN 1630-01-249-0040 is a Lining,friction, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-249-0040 has 2 manufacturer part numbers on file: 9521541-2 (Meggitt Aircraft Braking Systems Corporation), 5009401 (Meggitt Aircraft Braking Systems Corporation).
Key specifications for 5009401: FSC Application Data: AIRCRAFT BRAKE SYSTEM; Major Width: 3.020 INCHES NOMINAL IN; Hole Arrangement Style: DOUBLE EVEN; Mounting Hole Diameter: 0.160 INCHES NOMINAL IN. 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 1630-01-249-0040 has DEMIL Code D. 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.