# NSN 2815-01-476-5066: Ring Set, Piston

NSN 2815-01-476-5066 (also written 2815014765066; NIIN 01-476-5066) 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: 2815-01-476-5066 (2815014765066)
- NIIN: 01-476-5066 (014765066)
- 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 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AETD | PISTON ACCOMMODATION QUANTITY | 1 |
| AETE | RING SET COMPONENT PARTS | EXPANDER, 5112016, 72582, 2*; EXPANDER, 5148261, 72582, 2*; RING, 5179824, 2* NSN 2815-00-271-8983; PISTON RING, 8924083, 1* NSN 2815-01-126-9533; RING 8926351, 2* NSN 2815-01-413-0087; RING, 8926402, 72582, 1*; RING, 8926403, 72582, 1*; INSTRUCTION SHEET, 1* |
| AGAV | END ITEM IDENTIFICATION | DIESEL ENGINE NSN 2815-01-335-4579 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 23522954 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC DBA ROLLS-ROYCE SOLUTIONS AMERICA INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-01 | [SPE7L526V1441](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815014765066) | RING SET, PISTON | CENTRAL POWER SYSTEMS & SERVICES, LLC | $67,119.72 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2815014765066&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815014765066
- 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/2815-01-476-5066/
JSON: https://nsnexplorer.com/api/nsn/2815-01-476-5066.json