The Leak Detector,inert Gas, cataloged under National Stock Number 4940-01-159-0187, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4940-01-159-0187 |
| Item Name | Leak Detector,inert Gas |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | DIMENSIONS 14.5 IN. W X 13.5 IN. D. X 4.5 IN. H; RECHARGING TIME 8 HR; RESPONSE TIME 0.5 SEC; RECOVERY TIME 1.0 SEC; DETECTS SULPHUR HEXAFLUORIDE TRACER GAS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4940-5314-0000 | 6/9 Informative reference only U.S. Government activity |
| 61.000 | 5/9 Secondary reference Morpho Detection, Llc |
| 61000 | 3/9 Design control — primary reference Morpho Detection, Llc |
NSN 4940-01-159-0187 is a Leak Detector,inert Gas, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4940-01-220-3855. Verify interchangeability with system specifications before substitution.
Key specifications for 4940-01-159-0187: General Characteristics Item Description: DIMENSIONS 14.5 IN. W X 13.5 IN. D. X 4.5 IN. H; RECHARGING TIME 8 HR; RESPONSE TIME 0.5 SEC; RECOVERY TIME 1.0 SEC; DETECTS SULPHUR HEXAFLUORIDE TRACER GAS IN; End Item Identification: F-16. 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.