The Detector,gas, cataloged under National Stock Number 6665-01-457-5545, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Safeco Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-01-457-5545 |
| Primary Part Number | 804405 |
| Item Name | Detector,gas |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Safeco Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 6665-01-457-5545 is a Detector,gas, manufactured by Safeco Inc, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-457-5545 has 2 manufacturer part numbers on file: 804405 (Safeco Inc), 804405 (Safeco Inc).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-664-6742. Verify interchangeability with system specifications before substitution.
Key specifications for 804405: Special Features: GAS DETECTOR TUBES; NH3, AMMONIA DETECTION; 2-500 PPM; UNIT ISSUE PG OF 10; Part Name Assigned by Controlling Agency: DETECTOR GAS AMMONIA DETECTION 2-500 PPM 10S. 0 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.