# NSN 2815-00-928-3531: Rotor, Engine Poppet Valve

NSN 2815-00-928-3531 (also written 2815009283531; NIIN 00-928-3531) is a rotor, engine poppet valve in Federal Supply Class 2815, Diesel Engines and Components. 5 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 2815-00-928-3531 (2815009283531)
- NIIN: 00-928-3531 (009283531)
- Item name: ROTOR,ENGINE POPPET VALVE
- 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 2026-11-01)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4S7468 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7N7639 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| IPD4S7468 | 55883 | INDUSTRIAL PARTS DEPOT, LLC DBA IPD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| IPD7N7639 | 55883 | INDUSTRIAL PARTS DEPOT, LLC DBA IPD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| R0S227 | 06947 | TRW EQUIPMENT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-29 | [SPE7LX21D0087/SPE7LX27FA98Z](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815009283531) | ROTOR, ENGINE POPPET VALVE | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $19.96 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2815009283531&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815009283531
- 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/2815-00-928-3531/
JSON: https://nsnexplorer.com/api/nsn/2815-00-928-3531.json