The Detector,gas, cataloged under National Stock Number 6665-01-599-7528, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Thermo Environmental Instruments Llc Div Environmental and Process Monitoring. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6665-01-599-7528 |
| Primary Part Number | 81040 |
| Item Name | Detector,gas |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Thermo Environmental Instruments Llc Div Environmental and Process Monitoring |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 81040 PRIMARY | Thermo Environmental Instruments Llc Div Environmental and Process Monitoring (USA) |
| Reference | Meaning |
|---|---|
| 6665NCM116570 | 5/1 Secondary reference Defense Medical Standardization Board |
| 26232 | 5/1 Secondary reference U.S. Government activity |
NSN 6665-01-599-7528 is a Detector,gas, manufactured by Thermo Environmental Instruments Llc Div Environmental and Process Monitoring, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-599-7528 has 1 manufacturer part number on file: 81040 (Thermo Environmental Instruments Llc Div Environmental and Process Monitoring).
Key specifications for 81040: Special Features: TOXIC VAPOR ANALYZER TVA-1000B; OFFERS BOTH PHOTOIONIZATION DETECTION (PID) AND FLAME IONIZATION DETECTION (FID); DYNAMIC RANGE (PID): 0 TO 2000 PPM;DYNAMIC RANGE (FID): 0 TO 50,000 PPM; NOMINAL FLOWRATE: 1000 CC; DISPLAY: BAR GRAPH AND 4 DIGIT LCD; ALARMS: HIGH, LOW, AND SHORT TERM EXPOSURE LIMIT (STEL); TEMPERATURE RANGE: 0 TO 50 DEG C; DIMENSIONS: 13.5 X 10.3 X 3.2 IN; INCLUDES PROBE AND CASE; END ITEM: 6665-01-590-9456 IN; Part Name Assigned by Controlling Agency: ANLYZER VAPOR; End Item Identification: 6665-01-590-9456. 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.