The Detector,gas, cataloged under National Stock Number 6665-01-707-4074, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Crowcon Detection Instrs Ltd. Government technical data includes 7 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-01-707-4074 |
| Primary Part Number | XGARD-1-MA-S-M20-AT-SO2-20 |
| Item Name | Detector,gas |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Crowcon Detection Instrs Ltd |
| Status | ACTIVE |
| Unpackaged Unit Weight | 6.8 POUNDS NOMINAL LBS |
| Detecting Element Type | ELECTROCHEMICAL |
| Detecting Element Detachability | INTEGRAL |
| Operating Temp Range | -20.0 TO 50.0 CELSIUS DEGC |
| Material | STEEL CORROSION RESISTING CASE |
| Usage Design | INTRINSICALLY SAFE TOXIC AND OXYGEN GAS DETECTOR |
| Voltage Rating | 8.0 VOLTS MINIMUM AND 30.0 VOLTS MAXIMUM |
| 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 |
|---|---|
| XGARD-1-MA-S-M20-AT-SO2-20 PRIMARY | Crowcon Detection Instrs Ltd (USA) |
NSN 6665-01-707-4074 is a Detector,gas, manufactured by Crowcon Detection Instrs Ltd, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-707-4074 has 1 manufacturer part number on file: XGARD-1-MA-S-M20-AT-SO2-20 (Crowcon Detection Instrs Ltd).
Key specifications for XGARD-1-MA-S-M20-AT-SO2-20: Unpackaged Unit Weight: 6.8 POUNDS NOMINAL LBS; Detecting Element Type: ELECTROCHEMICAL; Detecting Element Detachability: INTEGRAL; Special Features: GAS TYPE: SULPHUR DIOXIDE; ATEX CERTIFICATION; RANGE: 20 PPM. 7 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.