The Plate,backing,brake, cataloged under National Stock Number 1630-01-491-3731, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-491-3731 |
| Primary Part Number | 90002422 |
| Item Name | Plate,backing,brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 90002422 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
NSN 1630-01-491-3731 is a Plate,backing,brake, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-491-3731 has 1 manufacturer part number on file: 90002422 (Meggitt Aircraft Braking Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-524-5852. Verify interchangeability with system specifications before substitution.
Key specifications for 90002422: Special Features: SAME AS P/N 5003006, NSN 1630-01-372-5586, BUT P/N 90002422 IS THE OVERSIZED PART; End Item Identification: B-1B AIRCRAFT; T.O.4B1-2-1232. 0 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.