The Leak Detector,refrigerant Gas, cataloged under National Stock Number 4940-01-718-7108, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Mastercool Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-718-7108 |
| Primary Part Number | 55975 |
| Item Name | Leak Detector,refrigerant Gas |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Mastercool Inc |
| Status | ACTIVE |
| Supplementary Features | 2 C ALKALINE BATTERIES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 55975 PRIMARY | Mastercool Inc (USA) |
NSN 4940-01-718-7108 is a Leak Detector,refrigerant Gas, manufactured by Mastercool Inc, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-718-7108 has 1 manufacturer part number on file: 55975 (Mastercool Inc).
Key specifications for 55975: Supplementary Features: 2 C ALKALINE BATTERIES; Special Features: OPERATING TEMPERATURE 0 TO 120 DEGREES FAHRENHEIT, SENSITIVITY 50 TO 1000 PARTS PER MILLION; Part Name Assigned by Controlling Agency: COMBUSTIBLE GAS LEAK DETECTOR. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.