# NSN 2815-01-363-2256: Ring Set, Piston

NSN 2815-01-363-2256 (also written 2815013632256; NIIN 01-363-2256) is a ring set, piston in Federal Supply Class 2815, Diesel Engines and Components. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 2815-01-363-2256 (2815013632256)
- NIIN: 01-363-2256 (013632256)
- Item name: RING SET,PISTON
- Federal Supply Class: [FSC 2815 Diesel Engines and Components](https://nsnexplorer.com/fsc/2815/)
- Federal Supply Group: [FSG 28](https://nsnexplorer.com/group/28/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 2815-01-350-2205 |
| FEAT | SPECIAL FEATURES | TOP RING 1; COMPRESSION RING 1; SCRAPER RING 1 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 186-6073 | 44940 | CUMMINS POWER GENERATION INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-25 | [SPE7LX21D0007/SPE7L126FAVK9](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815013632256) | RING SET, PISTON | CUMMINS INC DIV CUMMINS SALES AND SERVICE | $927.32 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2815013632256&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815013632256
- 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/2815-01-363-2256/
JSON: https://nsnexplorer.com/api/nsn/2815-01-363-2256.json