The Leak Detector,refrigerant Gas, cataloged under National Stock Number 4940-01-160-4978, 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 Inficon Inc Dba Inficon Inc Div Iss. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-160-4978 |
| Primary Part Number | 510-017 |
| Item Name | Leak Detector,refrigerant Gas |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Inficon Inc Dba Inficon Inc Div Iss |
| Status | ACTIVE |
| 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 |
|---|---|
| 510-017 PRIMARY | Inficon Inc Dba Inficon Inc Div Iss (USA) |
| Reference | Meaning |
|---|---|
| 001-100 | 5/9 Secondary reference Inficon Inc Dba Inficon Inc Div Iss |
| 701-002-G1 | 3/9 Design control — primary reference Inficon Inc Dba Inficon Inc Div Iss |
| HLD-2 | 5/9 Secondary reference Inficon Inc Dba Inficon Inc Div Iss |
NSN 4940-01-160-4978 is a Leak Detector,refrigerant Gas, manufactured by Inficon Inc Dba Inficon Inc Div Iss, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-160-4978 has 1 manufacturer part number on file: 510-017 (Inficon Inc Dba Inficon Inc Div Iss).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-301-5635, 5331-01-699-8824. Verify interchangeability with system specifications before substitution.
Key specifications for 510-017: End Item Identification: MODEL NO.HLD-2. 0 specifications are 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.