The Cooler Unit,air, cataloged under National Stock Number 4130-01-335-4474, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Heat Transfer Products Group Llc Div Heat Transfer Products Group. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-335-4474 |
| Primary Part Number | TW18-65 |
| Item Name | Cooler Unit,air |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Heat Transfer Products Group Llc Div Heat Transfer Products Group |
| 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 |
|---|---|
| TW18-65 | Heat Transfer Products Group Llc Div Heat Transfer Products Group (USA) |
| Reference | Meaning |
|---|---|
| TW18-65 | 3/9 Design control — primary reference Russell Coil Co |
| TW1865 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| TW18-65 | 5/9 Secondary reference Brinkerhoff and Co |
NSN 4130-01-335-4474 is a Cooler Unit,air, manufactured by Heat Transfer Products Group Llc Div Heat Transfer Products Group, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-335-4474 has 1 manufacturer part number on file: TW18-65 (Heat Transfer Products Group Llc Div Heat Transfer Products Group).
Key specifications for TW18-65: End Item Identification: REFRIGERATION AND AIR CONDITIONING COMPONENTS. 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.