# NSN 2815-01-145-5547: Ring, Piston

NSN 2815-01-145-5547 (also written 2815011455547; NIIN 01-145-5547) is a ring, 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 Aug 2026.

## Identification

- NSN: 2815-01-145-5547 (2815011455547)
- NIIN: 01-145-5547 (011455547)
- Item name: RING,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 Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| ACXD | RING STYLE | — |
| ACXF | RADIAL WALL THICKNESS | INCHES MINIMUM 0.1990 AND INCHES MAXIMUM 0.2090 |
| ACXJ | OVERALL WIDTH | INCHES MINIMUM 0.1213 AND INCHES MAXIMUM 0.1215 |
| ACXZ | STANDARD BORE DIAMETER | INCHES 5.500 |
| ADTE | JOINT STYLE | — |
| AGAV | END ITEM IDENTIFICATION | CUMMINS ENGINE CO,DIESEL ENGINE,MODEL V903C |
| MATT | MATERIAL | OVERALL STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 216983 | 15434 | CUMMINS INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-14 | [SPE7LX21D0007/SPE7L126FACV7](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815011455547) | RING, PISTON | CUMMINS INC DIV CUMMINS SALES AND SERVICE | $69.95 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2815011455547&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815011455547
- 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/2815-01-145-5547/
JSON: https://nsnexplorer.com/api/nsn/2815-01-145-5547.json