# NSN 4910-01-551-6557: Calibration Kit, Fuel Injector

NSN 4910-01-551-6557 (also written 4910015516557; NIIN 01-551-6557) is a calibration kit, fuel injector in Federal Supply Class 4910, Motor Vehicle Maintenance and Repair Shop Specialized Equipment. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4910-01-551-6557 (4910015516557)
- NIIN: 01-551-6557 (015516557)
- Item name: CALIBRATION KIT,FUEL INJECTOR
- Federal Supply Class: [FSC 4910 Motor Vehicle Maintenance and Repair Shop Specialized Equipment](https://nsnexplorer.com/fsc/4910/)
- Federal Supply Group: [FSG 49](https://nsnexplorer.com/group/49/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-11-02)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | SPECIAL TOOL AND TEST EQUIPMENT FOR LHD-8 SHIP SERVICE, DIESEL GENERATOR SET |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | FUEL INJECTOR CALIBRATING TOOL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 26145904893 | 7PZX0 | FAIRBANKS MORSE, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 26145904893 | 82796 | COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 939871-S845 FN T161 | 82796 | COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-20 | [SPE7L526P1881](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4910015516557) | CALIBRATION KIT, FUE | CHAND, L.L.C. | $28,138.12 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4910015516557&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4910015516557
- 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/4910-01-551-6557/
JSON: https://nsnexplorer.com/api/nsn/4910-01-551-6557.json