# NSN 5999-00-538-1291: Heater, Thermal Release

NSN 5999-00-538-1291 (also written 5999005381291; NIIN 00-538-1291) is a heater, thermal release in Federal Supply Class 5999, Miscellaneous Electrical and Electronic Components. 5 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5999-00-538-1291 (5999005381291)
- NIIN: 00-538-1291 (005381291)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | SLOT 2 |
| ABTD | MOUNTING SLOT WIDTH | INCHES NOMINAL 0.218 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 1.750 |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 1.064 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 1.125 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1185E | 15605 | EATON CORP OPNS & TECHNICAL CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1185E | 27912 | H R SIMON AND COMPANY INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5999PL1439019 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9104H3921 | 15605 | EATON CORP OPNS & TECHNICAL CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9104H3921 | 27192 | DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M5-27-T-0451 | 24 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5999005381291&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5999005381291&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5999005381291
- 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/5999-00-538-1291/
JSON: https://nsnexplorer.com/api/nsn/5999-00-538-1291.json