# NSN 2815-00-427-0551: Piston, Internal Combustion Engin

NSN 2815-00-427-0551 (also written 2815004270551; NIIN 00-427-0551) is a piston, internal combustion engin in Federal Supply Class 2815, Diesel Engines and Components. 9 manufacturer part numbers from 7 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 2815-00-427-0551 (2815004270551)
- NIIN: 00-427-0551 (004270551)
- Item name: PISTON,INTERNAL COMBUSTION ENGIN
- 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 |
| --- | --- | --- |
| AXFS | OVERSIZE | INCHES NOMINAL 0.010 |
| AXFR | FINISHED SIZE DESIGNATION | OVERSIZE |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 6.870 |
| AXPK | DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | INCHES NOMINAL 4.750 |
| AXPQ | PIN TYPE FOR WHICH DESIGNED | FLOATING |
| AXGD | RING GROOVE DIAMETER | FIRST RING INCHES MINIMUM 5.197 AND INCHES MAXIMUM 5.202 |
| ABMZ | DIAMETER | INCHES MINIMUM 5.695 AND INCHES MAXIMUM 5.703 |
| ACXU | PINHOLE DIAMETER | INCHES MINIMUM 2.1268 AND INCHES MAXIMUM 2.1270 |
| AGYE | SURFACE FINISH | FINISHED |
| AXGB | RING GROOVE WIDTH | FOURTH RING INCHES MINIMUM 0.1880 AND INCHES MAXIMUM 0.0990 |
| AXFZ | RING GROOVE QUANTITY | 4 |
| AXGD | RING GROOVE DIAMETER | FOURTH RING INCHES MINIMUM 5.179 AND INCHES MAXIMUM 1.189 |
| AXGD | RING GROOVE DIAMETER | SECOND RING INCHES MINIMUM 5.220 AND INCHES MAXIMUM 5.230 |
| AXGD | RING GROOVE DIAMETER | THIRD RING INCHES MINIMUM 5.220 AND INCHES MAXIMUM 5.230 |
| AXFT | SKIRT TYPE | SEMISPLIT |
| AXFW | CUT DEPTH | INCHES NOMINAL 5.120 |
| AXGB | RING GROOVE WIDTH | SECOND RING INCHES MINIMUM 0.0990 AND INCHES MAXIMUM 0.1000 |
| AASK | HEAD STYLE | — |
| ABFF | FURNISHED ITEMS | SKIRT BOTTOM CUTAWAY FEATURE |
| MATT | MATERIAL | STEEL |
| WGHT | WEIGHT | OUNCES 126.3 |
| AXGB | RING GROOVE WIDTH | FIRST RING INCHES MINIMUM 0.0995 AND INCHES MAXIMUM 0.1005 |
| AXGB | RING GROOVE WIDTH | THIRD RING INCHES MINIMUM 0.0980 AND INCHES MAXIMUM 0.0990 |
| AXGC | GROOVE TAPER ANGLE | 7 DEGREE 20 MINUTES PLUS 10 MINUTES |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 11683943 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11683943-1 | 02978 | RENK AMERICA LLC DIV RENK AMERICA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11683943-1 | 0L7R7 | TECMOTIV (USA), INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11683943-1 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11683943-1 | 32842 | MINOWITZ MANUFACTURING CO. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11683943-1 | 3NNX8 | BRIGHTON CROMWELL LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11683943-1 | 6R738 | MACTEK INDUSTRIES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2815004270551 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 655216-1 | 02978 | RENK AMERICA LLC DIV RENK AMERICA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2815004270551&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815004270551
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/2815-00-427-0551/
JSON: https://nsnexplorer.com/api/nsn/2815-00-427-0551.json