# NSN 1615-01-135-1442: Piston Assembly, Cylinder

NSN 1615-01-135-1442 (also written 1615011351442; NIIN 01-135-1442) is a piston assembly, cylinder in Federal Supply Class 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 1615-01-135-1442 (1615011351442)
- NIIN: 01-135-1442 (011351442)
- Item name: PISTON ASSEMBLY,CYLINDER
- Federal Supply Class: [FSC 1615 Helicopter Rotor Blades, Drive Mechanisms and Components](https://nsnexplorer.com/fsc/1615/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- 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 | AIRCRAFT MODEL CH-53E |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | PER AMS 2675,FILLER METAL PER ANS 4777. |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 65664-11175-041 | 05722 | S & L AEROSPACE METALS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 65664-11175-041 | 21540 | PRECISION GEAR INDUSTRIES LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 65664-11175-041 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-08 | [SPE4A724D0141/SPE4A724F8487](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1615011351442) | PISTON ASSEMBLY, CYL | S & L AEROSPACE METALS LLC | $77,558.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1615011351442&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1615011351442
- 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/1615-01-135-1442/
JSON: https://nsnexplorer.com/api/nsn/1615-01-135-1442.json