The Cylinder,rotor,hydraulic Brake, cataloged under National Stock Number 1630-01-308-9319, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-308-9319 |
| Primary Part Number | 9440274 |
| Item Name | Cylinder,rotor,hydraulic Brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | TWO CHAMBERS,STRAIGHT BORE,ONE BLEEDER HOLE,BOLT MTD,PART OF BRAKE ASSEMBLY 9440345 FOR HELICOPTER ROTOR |
| 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 |
|---|---|
| 9440274 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9440274 | 5/9 Secondary reference Loral Corp Aircraft Braking Systems Div |
| 9440274 | 5/9 Secondary reference Goodyear Tire and Rubber Co the |
NSN 1630-01-308-9319 is a Cylinder,rotor,hydraulic Brake, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-308-9319 has 1 manufacturer part number on file: 9440274 (Meggitt Aircraft Braking Systems Corporation).
Key specifications for 9440274: General Characteristics Item Description: TWO CHAMBERS,STRAIGHT BORE,ONE BLEEDER HOLE,BOLT MTD,PART OF BRAKE ASSEMBLY 9440345 FOR HELICOPTER ROTOR. 1 specification is 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 1630-01-308-9319 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.