The Tube Bundle,cooler, cataloged under National Stock Number 4420-00-906-1840, 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 Young Touchstone Company Div Young Touchstone. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Tube Bundle,cooler |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Young Touchstone Company Div Young Touchstone (CAGE 67049) |
| Parameter | Value |
|---|---|
| NSN | 4420-00-906-1840 |
| Primary Part Number | C203352 |
| Item Name | Tube Bundle,cooler |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Young Touchstone Company Div Young Touchstone |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| C203351PC2 | Young Touchstone Company Div Young Touchstone (USA) |
| C203352 PRIMARY | Young Touchstone Company Div Young Touchstone (USA) |
NSN 4420-00-906-1840 is a Tube Bundle,cooler, manufactured by Young Touchstone Company Div Young Touchstone, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-00-906-1840 has 2 manufacturer part numbers on file: C203351PC2 (Young Touchstone Company Div Young Touchstone), C203352 (Young Touchstone Company Div Young Touchstone).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4420-00-906-1840 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.