# NSN 1720-01-319-5821: Piston, Cylinder

NSN 1720-01-319-5821 (also written 1720013195821; NIIN 01-319-5821) is a piston, cylinder in Federal Supply Class 1720, Aircraft Launching Equipment. 10 manufacturer part numbers from 10 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 1720-01-319-5821 (1720013195821)
- NIIN: 01-319-5821 (013195821)
- Item name: PISTON,CYLINDER
- Federal Supply Class: [FSC 1720 Aircraft Launching Equipment](https://nsnexplorer.com/fsc/1720/)
- Federal Supply Group: [FSG 17](https://nsnexplorer.com/group/17/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | STEAM CATAPULT C7,C11,C13 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | PISTON,CYLINDER,LOW LOSS LAUNCH VALVE |
| FEAT | SPECIAL FEATURES | 5.998 IN. DIA.; 3.125 IN. LG.; BRONZE PER QQ-C-456,ALY. C630; FSC APPLICATION DATA:CYLINDER ASSEMBLY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 511097-3 | 0A396 | COMPUTA-BASE-MACHINING, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 511097-3 | 0BVP9 | CAPY MACHINE SHOP INC. DBA CAPY MACHINE SHOP INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 511097-3 | 1V517 | DUHADAWAY TOOL & DIE SHOP INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 511097-3 | 2M490 | NASSAU TOOL WORKS, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 511097-3 | 30828 | KROBACH MFG. CORP. DBA KROBACH MANUFACTURING CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 511097-3 | 5S946 | PRE-MACH INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 511097-3 | 6JRD9 | WELLMAN DYNAMICS MACHINING AND ASSEMBLY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 511097-3 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 511097-3 | 81A16 | YORK PRECISION MACHINING AND HYDRAULICS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 511097-3 | 9U245 | MASTER RESEARCH & MANUFACTURING, INC. DBA MASTER RESEARCH & MANUFACTURING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-19 | $12,742.60 | 2 | CAPY MACHINE SHOP INC. DBA CAPY MACHINE SHOP INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1720013195821) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-19 | [SPE7M227P0017](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1720013195821) | PISTON, CYLINDER | CAPY MACHINE SHOP INC. DBA CAPY MACHINE SHOP INC | $25,485.20 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1720013195821&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1720013195821
- 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/1720-01-319-5821/
JSON: https://nsnexplorer.com/api/nsn/1720-01-319-5821.json