The Heater,thermal Release, cataloged under National Stock Number 5999-00-504-7939, 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 Naval Sea Systems Command. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5999-00-504-7939 |
| Primary Part Number | CA122S6301-525561SH1ITEM55 |
| Item Name | Heater,thermal Release |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Naval Sea Systems Command |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| CM5S4602-06PC39 | Naval Sea Systems Command (USA) |
| CA122S6301-525561SH1ITEM55 PRIMARY | Naval Sea Systems Command (USA) |
| CA68S6301-3ITEM1M | Naval Sea Systems Command (USA) |
| CA72S6301-180199ALT1ITEM55 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 90570Z1ITME55 | 5/9 Secondary reference U.S. Government activity |
| 16166-62ITEM21 | 5/9 Secondary reference U.S. Government activity |
| DD445S2000-658228ITEM1B | 3/2 Design control — primary reference U.S. Government activity |
| 94779W1ITEM1B | 5/9 Secondary reference U.S. Government activity |
| 9104H2829A | 5/9 Secondary reference U.S. Government activity |
| 93276W1ITEM1B | 5/9 Secondary reference U.S. Government activity |
| DD445S2000-658228ITEM13 | 3/2 Design control — primary reference U.S. Government activity |
| 87503Z1ITEM55 | 5/9 Secondary reference U.S. Government activity |
| 90039W1ITEM1 | 5/9 Secondary reference U.S. Government activity |
| 15942-4PC39 | 5/9 Secondary reference U.S. Government activity |
| 3600ITEM1M | 5/9 Secondary reference U.S. Government activity |
| 16166-30ITEM12 | 5/9 Secondary reference U.S. Government activity |
NSN 5999-00-504-7939 is a Heater,thermal Release, manufactured by Naval Sea Systems Command, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-504-7939 has 4 manufacturer part numbers on file: CM5S4602-06PC39 (Naval Sea Systems Command), CA122S6301-525561SH1ITEM55 (Naval Sea Systems Command), CA68S6301-3ITEM1M (Naval Sea Systems Command), CA72S6301-180199ALT1ITEM55 (Naval Sea Systems Command).
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.