The Leak Detector,refrigerant Gas, cataloged under National Stock Number 4940-01-247-4214, 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 Phase One Instruments 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-247-4214 |
| Primary Part Number | LD-1100M |
| Item Name | Leak Detector,refrigerant Gas |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Phase One Instruments Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM HOUSING EXPLOSION-PROOF;6 LBS WT;PORTABLE W/RECHARGEABLE BATTERIES;CARRYING CASE LBS |
| 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 |
|---|---|
| LD-1100M PRIMARY | Phase One Instruments Inc (USA) |
| Reference | Meaning |
|---|---|
| AA59110 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| MIL-L-83774 | 5/9 Secondary reference U.S. Government activity |
| 4940-5312-0000 | 6/9 Informative reference only U.S. Government activity |
NSN 4940-01-247-4214 is a Leak Detector,refrigerant Gas, manufactured by Phase One Instruments Inc, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-247-4214 has 1 manufacturer part number on file: LD-1100M (Phase One Instruments Inc).
Key specifications for LD-1100M: General Characteristics Item Description: ALUMINUM HOUSING EXPLOSION-PROOF;6 LBS WT;PORTABLE W/RECHARGEABLE BATTERIES;CARRYING CASE LBS. 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.