# NSN 1650-00-344-4509: Cylinder Assembly, Actuating, Line

NSN 1650-00-344-4509 (also written 1650003444509; NIIN 00-344-4509) is a cylinder assembly, actuating, line in Federal Supply Class 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 1650-00-344-4509 (1650003444509)
- NIIN: 00-344-4509 (003444509)
- Item name: CYLINDER ASSEMBLY,ACTUATING,LINE
- Federal Supply Class: [FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components](https://nsnexplorer.com/fsc/1650/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC P: the government does not own the rights to the data needed for more sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABJH | TEMP RATING | FAHRENHEIT -65.0 AND FAHRENHEIT 165.0 |
| AAXX | MOUNTING TYPE | CYLINDER HEAD END LUG(S) |
| BGST | PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) NOMINAL 3000.0 |
| BHMS | MOUNTING PROVISION FOR WHICH DESIGNED | UNTHREADED MOUNTING HOLES |
| CKRM | INTEGRAL VALVE OPERATION METHOD | HYDRAULIC |
| CKSD | DESIGN CHARACTERISTICS | DOUBLE ACTING SINGLE CYLINDER |
| CKSF | FIRST PISTON ROD END STYLE | — |
| AMQZ | COMPRESSED LENGTH | INCHES MINIMUM 7.210 AND INCHES MAXIMUM 7.310 |
| ATEM | EXTENDED LENGTH | INCHES MINIMUM 10.170 AND INCHES MAXIMUM 10.230 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4H90238-101A | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7114 | 06177 | PNEUDRAULICS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1650003444509&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1650003444509
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/1650-00-344-4509/
JSON: https://nsnexplorer.com/api/nsn/1650-00-344-4509.json