The Compressed Air Purification Unit, cataloged under National Stock Number 4460-01-644-1926, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4460-01-644-1926 |
| Primary Part Number | 604-H007117 |
| Item Name | Compressed Air Purification Unit |
| FSC / FSG | 4460 / 44 — Air Purification Equipment |
| Manufacturer | Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 230.0 AC |
| Functional Description | ITEM IS (ECU) INCLUDED IN POWER GENERATION & RETICULATION |
| 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 |
|---|---|
| 604-H007117 PRIMARY | Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 604-H007117 | 3/9 Design control — primary reference Hdt Expeditionary Systems, Inc. |
NSN 4460-01-644-1926 is a Compressed Air Purification Unit, manufactured by Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc, classified under FSC 4460, Air Purification Equipment. Status: active.
NSN 4460-01-644-1926 has 1 manufacturer part number on file: 604-H007117 (Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc).
Key specifications for 604-H007117: Voltage in Volts and Current Type: 230.0 AC; Special Features: AMPS: 50HZ AND EQUIPPED WITH TURF WHEELS; Functional Description: ITEM IS (ECU) INCLUDED IN POWER GENERATION & RETICULATION; Part Name Assigned by Controlling Agency: FILTRATION ECU. ISOLATION, 3.5T HEPA. 2 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.