The Pressurizer Tank Assembly, cataloged under National Stock Number 4440-00-235-8192, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Aqw Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-00-235-8192 |
| Primary Part Number | 309873 |
| Item Name | Pressurizer Tank Assembly |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Aqw Inc |
| Status | ACTIVE |
| FSC Application Data | 407L TACTICAL AIR CONTROL SYSTEM |
| General Characteristics Item Description | ASSY OF BAFFLE PLATE 1,FILTER ASSY 1,COVER 1,CYLINDER 1,AND DESICCANT 12 OZ OZ |
| 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 |
|---|---|
| 309873 | Aqw Inc (USA) |
| 309873 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 309873 | 3/9 Design control — primary reference U.S. Government activity |
| 309873 ITEM 1 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| 309873 ITEM 1 | 5/9 Secondary reference Howden Fluid Systems |
| 309873 | D/9 Drawing number reference only Howden Fluid Systems |
NSN 4440-00-235-8192 is a Pressurizer Tank Assembly, manufactured by Aqw Inc, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-00-235-8192 has 2 manufacturer part numbers on file: 309873 (Aqw Inc), 309873 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
Key specifications for 309873: FSC Application Data: 407L TACTICAL AIR CONTROL SYSTEM; General Characteristics Item Description: ASSY OF BAFFLE PLATE 1,FILTER ASSY 1,COVER 1,CYLINDER 1,AND DESICCANT 12 OZ OZ. 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.