The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-171-4802, 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 Fairbanks Morse, Llc. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Young Touchstone Company Div Young Touchstone (CAGE 67049); Fairbanks Morse, Llc (CAGE 7PZX0) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-171-4802 |
| Primary Part Number | P12613268 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Fairbanks Morse, Llc |
| 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 |
|---|---|
| E285503 | Young Touchstone Company Div Young Touchstone (USA) |
| P12613268 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| E285503REVL | C/1 Advisory reference — outside the item-of-supply concept Young Touchstone Company Div Young Touchstone |
| P12613268 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4420-01-171-4802 is a Cooler,fluid,industrial, manufactured by Fairbanks Morse, Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-171-4802 has 2 manufacturer part numbers on file: E285503 (Young Touchstone Company Div Young Touchstone), P12613268 (Fairbanks Morse, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4420-01-171-4803. Verify interchangeability with system specifications before substitution.
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.