The Ejector Assembly,air, cataloged under National Stock Number 4320-01-249-1444, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-249-1444 |
| Primary Part Number | MDL 3 JECTAIR |
| Item Name | Ejector Assembly,air |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 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 |
|---|---|
| MDL 3 JECTAIR PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| MDL 3 JECTAIR | 3/9 Design control — primary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| MDL 3 JECTAIR | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| MDL 3 JECTAIR | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
NSN 4320-01-249-1444 is a Ejector Assembly,air, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-249-1444 has 1 manufacturer part number on file: MDL 3 JECTAIR (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
Key specifications for MDL 3 JECTAIR: Special Features: 31.625 IN. O/A LG; 7.250 IN. BASE DIA; 7.000 IN. EXHAUST OD; BASE MTG,3 SLOTS FOR 0.375 IN. BLT,6.500 IN. DIA BLT CIR; 0.500 IN. FEMALE STD PIPE TAP INLET FOR COMPRESSED AIR OR STEAM; 150 PSIG MAX INLET PRESSURE FOR AIR OR STEAM IN. 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.