The Isobutylene,gas Detector Calibra, cataloged under National Stock Number 6665-01-448-3250, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Industrial Scientific Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6665-01-448-3250 |
| Primary Part Number | 1810-2939 |
| Item Name | Isobutylene,gas Detector Calibra |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Industrial Scientific Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | 100 PPM; ONE CYLINDER; FOR USE IN CALIBRATION OF DETECTOR, GAS 6665-01-445-3929 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1810-2939 | Industrial Scientific Corporation (USA) |
| Reference | Meaning |
|---|---|
| 18-999-3319 | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
| 494450 | 3/9 Design control — primary reference Mine Safety Appliances Co |
| 97-0265 | 5/1 Secondary reference U.S. Government activity |
NSN 6665-01-448-3250 is a Isobutylene,gas Detector Calibra, manufactured by Industrial Scientific Corporation, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-448-3250 has 1 manufacturer part number on file: 1810-2939 (Industrial Scientific Corporation).
Key specifications for 1810-2939: General Characteristics Item Description: 100 PPM; ONE CYLINDER; FOR USE IN CALIBRATION OF DETECTOR, GAS 6665-01-445-3929; Part Name Assigned by Controlling Agency: ISOBUTYLENE GAS DETECTOR CALIBRATION. 1 specification is 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.