The Leak Detector,refrigerant Gas, cataloged under National Stock Number 4940-01-644-0723, 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 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-644-0723 |
| Primary Part Number | 11B4540011-04 |
| Item Name | Leak Detector,refrigerant Gas |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
| Status | ACTIVE |
| Pressure Rating | ERR-060 AND ERR-060 |
| 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 |
|---|---|
| 11B4540011-04 PRIMARY | Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA) |
| TIFXP-1A PRIMARY | Bosch Automotive Service Solutions Inc. (USA) |
| Reference | Meaning |
|---|---|
| LD3 | 5/9 Secondary reference Bosch Automotive Service Solutions Inc. |
NSN 4940-01-644-0723 is a Leak Detector,refrigerant Gas, manufactured by Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-644-0723 has 2 manufacturer part numbers on file: 11B4540011-04 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army), TIFXP-1A (Bosch Automotive Service Solutions Inc.).
Key specifications for 11B4540011-04: Overall Height: 10.75 INCHES NOMINAL IN; Overall Length: 12.00 INCHES NOMINAL IN; Pressure Rating: ERR-060 AND ERR-060; End Item Identification: HFC-227 RECOVERY/RECYCLE SYSTEM. 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.