The Cooler,fluid,industrial, cataloged under National Stock Number 4420-00-233-2891, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-00-233-2891 |
| Primary Part Number | 3305354 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Effective Heat Transfer Surface Area | 209.0 SQUARE FEET |
| Tube Quantity | 242 |
| Tube Attachment Method | EXPANDED BOTH ENDS |
| Tubing Outside Diameter | 0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Material | STEEL SHELL |
| 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 |
|---|---|
| 3305354 | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5M1566A1 | 3/9 Design control — primary reference Howden Buffalo, Inc Div Howden Gyrol Fluid Drives |
| 3305394 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 5-126-15-066-00 | C/1 Advisory reference — outside the item-of-supply concept Itt Corporation Dba Itt Standard |
| 5-126-15-066-00 | C/1 Advisory reference — outside the item-of-supply concept Fluid Handling Llc |
NSN 4420-00-233-2891 is a Cooler,fluid,industrial, manufactured by Hatch & Kirk, Inc., classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-00-233-2891 has 1 manufacturer part number on file: 3305354 (Hatch & Kirk, Inc.).
Key specifications for 3305354: Heat Transfer Method: INDIRECT; Effective Heat Transfer Surface Area: 209.0 SQUARE FEET; Tube Quantity: 242; Tube Attachment Method: EXPANDED BOTH ENDS. 6 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.