# NSN 1630-01-159-4466: Cylinder Assembly, Hydraulic Brak

NSN 1630-01-159-4466 (also written 1630011594466; NIIN 01-159-4466) is a cylinder assembly, hydraulic brak in Federal Supply Class 1630, Aircraft Wheel and Brake Systems. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 1630-01-159-4466 (1630011594466)
- NIIN: 01-159-4466 (011594466)
- Item name: CYLINDER ASSEMBLY,HYDRAULIC BRAK
- Federal Supply Class: [FSC 1630 Aircraft Wheel and Brake Systems](https://nsnexplorer.com/fsc/1630/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 11660-7 | 04836 | JAMAICA BEARINGS CO., INC. DBA JAMAICA BEARINGS CO., INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11660-7 | 99643 | EATON AEROSPACE LLC DBA EATON AEROSPACE JACKSON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-111412021-7 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-111412021-7 | 48T42 | THE BOEING COMPANY DIV SERVICES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-111412021-7 | 8V613 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-14 | [SPE4A726D0418](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1630011594466) | CYLINDER ASSEMBLY, HYDRAULIC BRAKE, MASTER | JAMAICA BEARINGS CO., INC. DBA JAMAICA BEARINGS CO., INC. | $899,999.99 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1630011594466&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1630011594466
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/1630-01-159-4466/
JSON: https://nsnexplorer.com/api/nsn/1630-01-159-4466.json