The Heater,thermal Release, cataloged under National Stock Number 5999-00-503-1972, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Electric Company Dba Ge. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Heater,thermal Release |
| FSC / FSG | 5999 — Miscellaneous Electrical and Electronic Components (FSG 59) |
| Manufacturers | General Electric Company Dba Ge (CAGE 02989) |
| Parameter | Value |
|---|---|
| NSN | 5999-00-503-1972 |
| Primary Part Number | CR123C148A |
| Item Name | Heater,thermal Release |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | General Electric Company Dba Ge |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 0.0600 lbs |
| Cube | 0.0023 cu ft |
| Part Number | Manufacturer |
|---|---|
| CR123C148A PRIMARY | General Electric Company Dba Ge (USA) |
| Reference | Meaning |
|---|---|
| 81D239 | 5/9 Secondary reference General Electric Co General Purpose Control Dept |
NSN 5999-00-503-1972 is a Heater,thermal Release, manufactured by General Electric Company Dba Ge, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-503-1972 has 1 manufacturer part number on file: CR123C148A (General Electric Company Dba Ge).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.