The Thermal Detector, cataloged under National Stock Number 6350-01-301-8521, is classified within Federal Supply Class 6350 (Miscellaneous Alarm, Signal, and Security Detection Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Siemens Building Technologies Dba Siemens Fire Safety Division Div Siemens Building Technologies Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Thermal Detector |
| FSC / FSG | 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems (FSG 63) |
| Manufacturers | Siemens Building Technologies Dba Siemens Fire Safety Division Div Siemens Building Technologies Inc. (CAGE 1S4T2) |
| Parameter | Value |
|---|---|
| NSN | 6350-01-301-8521 |
| Primary Part Number | 500-017585 |
| Item Name | Thermal Detector |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Siemens Building Technologies Dba Siemens Fire Safety Division Div Siemens Building Technologies Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 500-017585 PRIMARY | Siemens Building Technologies Dba Siemens Fire Safety Division Div Siemens Building Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| DT-135CS | 3/9 Design control — primary reference Pyrotronics Div of Baker Industries Inc Sub of Borg-Warner Corp |
| 500-017585 | 5/9 Secondary reference C-O-Two Inc |
NSN 6350-01-301-8521 is a Thermal Detector, manufactured by Siemens Building Technologies Dba Siemens Fire Safety Division Div Siemens Building Technologies Inc., classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-301-8521 has 1 manufacturer part number on file: 500-017585 (Siemens Building Technologies Dba Siemens Fire Safety Division Div Siemens Building Technologies Inc.).
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.