# NSN 2815-01-544-0683: Speed Sensor, Diesel Engine

NSN 2815-01-544-0683 (also written 2815015440683; NIIN 01-544-0683) is a speed sensor, diesel engine in Federal Supply Class 2815, Diesel Engines and Components. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 2815-01-544-0683 (2815015440683)
- NIIN: 01-544-0683 (015440683)
- Item name: SPEED SENSOR,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 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | ENGINE, DIESEL, MN, P/N 109-3839/MOD/WLB |
| ABMK | OVERALL WIDTH | MILLIMETERS NOMINAL 87.5 |
| FEAT | SPECIAL FEATURES | SENSOR-ROTARY POSITION (HEINZMANN SG-02A), ELECTRICAL CLASSIFICATION IP 44, OUTPUT SHAFT ROTATION 0-45 DEGREES, TEMPERATURE RANGE -40 DEGREES CELCIUS TO +100 DEGREES CELCIUS, HUMIDITY TO 100%, WEIGHT 0.8 KG, VIBRATION TO 8G |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4P4955 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4P4955 | 54053 | ALBAN ENGINE POWER SYSTEMS INC DIV ALBAN TRACTOR CO 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 | [SPE7LX21D0087/SPE7LX26FB4VT](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815015440683) | SPEED SENSOR, DIESEL ENGINE | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4,040.76 |
| 2026-08-24 | [SPE7LX21D0087/SPE7LX26FB1NZ](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815015440683) | SPEED SENSOR, DIESEL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $8,347.96 |
| 2026-08-19 | [SPE7LX21D0087/SPE7LX26FB0WB](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815015440683) | SPEED SENSOR, DIESEL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4,173.98 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2815015440683&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2815015440683
- 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.

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