The Alarm,gas,automatic, cataloged under National Stock Number 6665-01-264-2246, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Mine Safety Appliances Company. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 6665-01-264-2246 |
| Primary Part Number | 486253 |
| Item Name | Alarm,gas,automatic |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Indicator Type | HORN AND RED LIGHT |
| Usage Design | FIELD AND INDUSTRIAL |
| Design Type | NONTRIPOD MOUNTING |
| Media Detected | OXYGEN AND COMBUSTIBLE GAS AND HYDROGEN SULFIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 486253 PRIMARY | Mine Safety Appliances Company (USA) |
| 486253 PRIMARY | Mine Safety Appliances Company (USA) |
| Reference | Meaning |
|---|---|
| 03501-002 | 5/9 Secondary reference Enmet, Inc. Div Enmet, Llc |
| K-20M | 5/9 Secondary reference Enmet, Inc. Div Enmet, Llc |
NSN 6665-01-264-2246 is a Alarm,gas,automatic, manufactured by Mine Safety Appliances Company, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-264-2246 has 2 manufacturer part numbers on file: 486253 (Mine Safety Appliances Company), 486253 (Mine Safety Appliances Company).
Key specifications for 486253: Indicator Type: HORN AND RED LIGHT; Usage Design: FIELD AND INDUSTRIAL; Design Type: NONTRIPOD MOUNTING; Media Detected: OXYGEN AND COMBUSTIBLE GAS AND HYDROGEN SULFIDE. 4 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.