# NSN 2815-01-121-2952: Cylinder Head, Diesel Engine

NSN 2815-01-121-2952 (also written 2815011212952; NIIN 01-121-2952) is a cylinder head, diesel engine in Federal Supply Class 2815, Diesel Engines and Components. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 2815-01-121-2952 (2815011212952)
- NIIN: 01-121-2952 (011212952)
- Item name: CYLINDER HEAD,DIESEL ENGINE
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | HELICOPTER, ADVANCE ATTACK, AH-1W; HELICOPTER, MH-53E; HELICOPTER, USCG SEARCH AND RESCUE, HH-60J; HELICOPTER, SEARCH AND RESCUE, HH-60H; FIRE PUMPS; FORRESTAL CLASS CV; AIRCRAFT, C-2A (REPROCURED); HELICOPTER, CARRIER BASED ASW, SH-60F; SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE) |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CYDS | ENGINE DESIGN CONTROL ACTIVITY | 72582 |
| CYDT | ENGINE MODEL NUMBER FOR WHICH DESIGNED | 12V-71 |
| FEAT | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5102770 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC DBA ROLLS-ROYCE SOLUTIONS AMERICA INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| K-5102770 | 18954 | KORODY-COLYER CORP A CR INDUSTRIES CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| K-5102770 | 7U177 | FEDERAL-MOGUL CORPORATION DBA FEDERAL-MOGUL DIV FP DIESEL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PC5102770 | C7432 | POWER COMPONENTS (DEUTSCHLAND) GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-21 | [SPE7L526V1540](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815011212952) | CYLINDER HEAD, DIESEL ENGINE | FREIGHTLINER OF SAVANNAH, INC. DIV GOVERNMENT SALES | $9,250.32 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2815011212952&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815011212952
- 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/2815-01-121-2952/
JSON: https://nsnexplorer.com/api/nsn/2815-01-121-2952.json