The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-553-7230, 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 Deere & Co. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-553-7230 |
| Primary Part Number | AT174363 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Deere & Co |
| 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 |
|---|---|
| AT174363 | Rdo Equipment Rdo Equipment Pty Ltd (AUS) |
| AT174363 PRIMARY | Deere & Co (USA) |
| AT174363 | Rdo Equipment Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| AT174363 | 5/9 Secondary reference Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery |
| AT174363 | 5/9 Secondary reference Rdo Equipment Pty Ltd |
NSN 4420-01-553-7230 is a Cooler,fluid,industrial, manufactured by Deere & Co, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-553-7230 has 3 manufacturer part numbers on file: AT174363 (Rdo Equipment Rdo Equipment Pty Ltd), AT174363 (Deere & Co), AT174363 (Rdo Equipment Pty Ltd).
Key specifications for AT174363: Special Features: CHARGE AIR COOLER; End Item Identification: JOHN DEERE MODEL 670D AND 672D MOTOR GRADER. 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.