The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 1630-01-159-4466, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Services. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 1630 — Aircraft Wheel and Brake Systems (FSG 16) |
| Manufacturers | The Boeing Company (CAGE 8V613); The Boeing Company Div Services (CAGE 48T42) |
| Parameter | Value |
|---|---|
| NSN | 1630-01-159-4466 |
| Primary Part Number | 7-111412021-7 |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | The Boeing Company Div Services |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7-111412021-7 | The Boeing Company (USA) |
| 7-111412021-7 PRIMARY | The Boeing Company Div Services (USA) |
| Reference | Meaning |
|---|---|
| 11660-7 | 5/9 Secondary reference Jamaica Bearings Co., Inc. Dba Jamaica Bearings Co., Inc. |
| 7-111412021-7 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 11660-7 | 5/2 Secondary reference U.S. Government activity |
NSN 1630-01-159-4466 is a Cylinder Assembly,hydraulic Brak, manufactured by The Boeing Company Div Services, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-159-4466 has 2 manufacturer part numbers on file: 7-111412021-7 (The Boeing Company), 7-111412021-7 (The Boeing Company Div Services).
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 1630-01-159-4466 has DEMIL Code Q. 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.