The Heater,thermal Release, cataloged under National Stock Number 5999-01-439-6904, 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 Schneider Electric Usa, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5999-01-439-6904 |
| Primary Part Number | AR66.0 |
| Item Name | Heater,thermal Release |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Schneider Electric Usa, Inc. |
| 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 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Part Number | Manufacturer |
|---|---|
| AR66.0 PRIMARY | Schneider Electric Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| AR66 | 5/9 Secondary reference Schneider Electric Usa, Inc. |
NSN 5999-01-439-6904 is a Heater,thermal Release, manufactured by Schneider Electric Usa, Inc., classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-439-6904 has 1 manufacturer part number on file: AR66.0 (Schneider Electric Usa, Inc.).
Key specifications for AR66.0: Special Features: 35.1 TO 37.1 AMPS AT 3 TU; 34.5 TO 36.6 AMPS AT 2 TU; End Item Identification: MISC PARTS E/I FSCM 03950. 0 specifications are documented in the U.S. Government catalog.
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.