The Detector,gas, cataloged under National Stock Number 6665-01-299-4274, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Instrument Depot Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-01-299-4274 |
| Primary Part Number | 2LL |
| Item Name | Detector,gas |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Instrument Depot Inc |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Detecting Element Type | CHEMICAL REACTION |
| Detecting Element Detachability | DETACHABLE |
| 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 |
|---|---|
| 2LL PRIMARY | Instrument Depot Inc (USA) |
| Reference | Meaning |
|---|---|
| 89-4-10-72 | 5/1 Secondary reference Air Force Medical Logistics Office |
| F89C307 | 5/1 Secondary reference Air Force Medical Logistics Office |
| 2LL | 5/9 Secondary reference Sensidyne, Lp Dba Sensidyne |
NSN 6665-01-299-4274 is a Detector,gas, manufactured by Instrument Depot Inc, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-299-4274 has 1 manufacturer part number on file: 2LL (Instrument Depot Inc).
Key specifications for 2LL: Criticality Code Justification: FEAT; Detecting Element Type: CHEMICAL REACTION; Detecting Element Detachability: DETACHABLE; Special Features: CARBON DIOXIDE; TLV-TWA (ACGIH) 5000PPM; MEASURABLE CONCENTRATION 300-5000PPM. 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.