The Disc,rotating, cataloged under National Stock Number 1630-01-121-3143, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Disc,rotating |
| FSC / FSG | 1630 — Aircraft Wheel and Brake Systems (FSG 16) |
| Manufacturers | Meggitt Aircraft Braking Systems Corporation (CAGE 0B9R9); Aero Stock (CAGE FB011) |
| Parameter | Value |
|---|---|
| NSN | 1630-01-121-3143 |
| Primary Part Number | 5000703 |
| Item Name | Disc,rotating |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 5000703 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| 5000703 | Aero Stock (FRA) |
| Reference | Meaning |
|---|---|
| 5000703 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
| 39503907 | 5/9 Secondary reference Goodyear France |
NSN 1630-01-121-3143 is a Disc,rotating, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-121-3143 has 2 manufacturer part numbers on file: 5000703 (Meggitt Aircraft Braking Systems Corporation), 5000703 (Aero Stock).
2 possible matches (shared part number, not a government interchangeability claim): 5955-01-216-9770, 4820-01-533-0665. Verify interchangeability with system specifications before substitution.
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 1630-01-121-3143 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.