The Detector,gas, cataloged under National Stock Number 6665-01-573-3573, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Biosystems Inc Div Sperian Protection Americas Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6665-01-573-3573 |
| Primary Part Number | 54-54-01 |
| Item Name | Detector,gas |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Biosystems Inc Div Sperian Protection Americas Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 54-54-01 | Honeywell Analytics Inc. (USA) |
| 54-54-01 PRIMARY | Biosystems Inc Div Sperian Protection Americas Inc. (USA) |
| Reference | Meaning |
|---|---|
| 54-54-01 | 5/9 Secondary reference Honeywell Safety Products Usa, Inc. |
| 54-54-01 | 5/9 Secondary reference Bw Technologies Ltd |
NSN 6665-01-573-3573 is a Detector,gas, manufactured by Biosystems Inc Div Sperian Protection Americas Inc., classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-573-3573 has 2 manufacturer part numbers on file: 54-54-01 (Honeywell Analytics Inc.), 54-54-01 (Biosystems Inc Div Sperian Protection Americas Inc.).
Key specifications for 54-54-01: Special Features: CO SENSOR CARBON DIOXIDE; Part Name Assigned by Controlling Agency: CO SENSOR; End Item Identification: 4 GAS ANALYZER. 0 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.