The Rotor,disc Brake, cataloged under National Stock Number 1630-01-526-0201, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1630-01-526-0201 |
| Primary Part Number | 4000614 |
| Item Name | Rotor,disc Brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 6 |
| Overall Diameter | 11.980 INCHES MINIMUM AND 12.020 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.385 INCHES MINIMUM AND 0.392 INCHES MAXIMUM 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 |
|---|---|
| 4000614 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| K874284-011 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 1630-01-526-0201 is a Rotor,disc Brake, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-526-0201 has 1 manufacturer part number on file: 4000614 (Meggitt Aircraft Braking Systems Corporation).
Key specifications for 4000614: Mounting Hole Quantity: 6; Overall Diameter: 11.980 INCHES MINIMUM AND 12.020 INCHES MAXIMUM IN; Mounting Hole Diameter: 0.385 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN; Overall Width: 0.531 INCHES NOMINAL IN. 3 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 1630-01-526-0201 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.