The Detector,gas, cataloged under National Stock Number 6665-01-345-5374, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Sensidyne, Lp Dba Sensidyne. Government technical data includes 3 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-01-345-5374 |
| Primary Part Number | 121 |
| Item Name | Detector,gas |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Sensidyne, Lp Dba Sensidyne |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Detecting Element Type | CHEMICAL REACTION |
| Material | GLASS CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 121 PRIMARY | Sensidyne, Lp Dba Sensidyne (USA) |
| Reference | Meaning |
|---|---|
| 6665NCM990770 | 5/1 Secondary reference Defense Medical Standardization Board |
| 00-0734 | 5/1 Secondary reference U.S. Government activity |
| 91-8-21-64 | 5/1 Secondary reference Air Force Medical Logistics Office |
| F91H109 | 5/1 Secondary reference Air Force Medical Logistics Office |
| 121 | 3/1 Design control — primary reference Instrument Depot Inc |
NSN 6665-01-345-5374 is a Detector,gas, manufactured by Sensidyne, Lp Dba Sensidyne, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-345-5374 has 1 manufacturer part number on file: 121 (Sensidyne, Lp Dba Sensidyne).
Key specifications for 121: Criticality Code Justification: FEAT; Detecting Element Type: CHEMICAL REACTION; Special Features: DIRECT READING TUBE; CALIBRATION MARKINGS PRINTED ON TUBE; HERMETICALLY SEALED; FOR ON THE SPOT AIR SAMPLE ANALYSIS; MEASURES BENZENE 2.5-120 PPM; FOR USE W/SENSIDYNE/GASTIC PISTON PUMPS P/N'S 7010657-1 STANDARD OR 7010790-1 W/FLOW FINISH INDICATOR; UNIT PKG QTY 10 W; Material: GLASS CASE. 3 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.