# NSN 1650-00-236-4997: Cylinder Assembly, Actuating, Line

NSN 1650-00-236-4997 (also written 1650002364997; NIIN 00-236-4997) 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: 1650-00-236-4997 (1650002364997)
- NIIN: 00-236-4997 (002364997)
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ATEM | EXTENDED LENGTH | INCHES NOMINAL 10.750 |
| CKRM | INTEGRAL VALVE OPERATION METHOD | HYDRAULIC |
| BGST | PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) NOMINAL 3000.0 |
| ABJH | TEMP RATING | FAHRENHEIT -65.0 AND FAHRENHEIT 160.0 |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS MODIFIED BY LOCKHEED SOURCE CONTROL DWG NO. 4H90232-105A |
| AMQZ | COMPRESSED LENGTH | INCHES NOMINAL 7.500 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4H90232-105A | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6A111 | 82829 | ALLEN AIRCRAFT PRODUCTS 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=1650002364997&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1650002364997
- 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.

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