The Bonnet,fluid Cooler,industrial, cataloged under National Stock Number 4420-01-710-3449, 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 Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-710-3449 |
| Primary Part Number | 128-0414 |
| Item Name | Bonnet,fluid Cooler,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| 128-0414 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 4420-01-710-3449 is a Bonnet,fluid Cooler,industrial, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-710-3449 has 1 manufacturer part number on file: 128-0414 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 128-0414: Part Name Assigned by Controlling Agency: BONNET ASSEMBLY. 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.