# NSN 5999-01-123-2725: Heater, Thermal Release

NSN 5999-01-123-2725 (also written 5999011232725; NIIN 01-123-2725) is a heater, thermal release in Federal Supply Class 5999, Miscellaneous Electrical and Electronic Components. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5999-01-123-2725 (5999011232725)
- NIIN: 01-123-2725 (011232725)
- Item name: HEATER,THERMAL RELEASE
- Federal Supply Class: [FSC 5999 Miscellaneous Electrical and Electronic Components](https://nsnexplorer.com/fsc/5999/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-10)
- Acquisition method code: 5

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 1.314 |
| ABTB | MOUNTING HOLE DIAMETER | INCHES NOMINAL 0.125 |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | UNTHREADED HOLE(S) 4 |
| CTQM | CURRENT RATING FOR WHICH DESIGNED | AMPERES NOMINAL 173.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 104-813-66 | 63743 | WARD LEONARD CT LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 104.813-66 | 63743 | WARD LEONARD CT LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 12A4499-8 | 79500 | WESTINGHOUSE ELECTRIC CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S1314563 | 79500 | WESTINGHOUSE ELECTRIC CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-05 | [SPE7M027P0111](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5999011232725) | HEATER, THERMAL RELEASE | ECI DEFENSE GROUP, INC. DBA ECI DEFENSE GROUP INC | $7,185.08 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5999011232725&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5999011232725
- 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/5999-01-123-2725/
JSON: https://nsnexplorer.com/api/nsn/5999-01-123-2725.json