The Detector,heat, cataloged under National Stock Number 6350-01-574-7558, 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 Apollo Fire Detectors Ltd. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 6350-01-574-7558 |
| Primary Part Number | ORB-HT-41001-MAR |
| Item Name | Detector,heat |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Apollo Fire Detectors Ltd |
| Status | ACTIVE |
| Audible Signal Type | BUZZER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ORB-HT-41001-MAR | Apollo Fire Detectors Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 0RB-HT-41001 | 3/9 Design control — primary reference Alarms R Us |
NSN 6350-01-574-7558 is a Detector,heat, manufactured by Apollo Fire Detectors Ltd, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-574-7558 has 1 manufacturer part number on file: ORB-HT-41001-MAR (Apollo Fire Detectors Ltd).
Key specifications for ORB-HT-41001-MAR: Audible Signal Type: BUZZER; Part Name Assigned by Controlling Agency: (INAVY) DECTECTOR THERMAL; End Item Identification: USV SUPPORT TYPE I MODULE. 1 specification is 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.