The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-480-4097, 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 Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-480-4097 |
| Primary Part Number | Y901959017 |
| Item Name | Heater,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Features Provided | TEMPERATURE REGULATING VALVE |
| Capacity Rating | 1800.0 GALLONS PER HOUR |
| 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 |
|---|---|
| Y901959017 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| ENMF-320/140 CD | C/1 Advisory reference — outside the item-of-supply concept Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4420-01-480-4097 is a Heater,fluid,industrial, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-480-4097 has 1 manufacturer part number on file: Y901959017 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for Y901959017: Features Provided: TEMPERATURE REGULATING VALVE; Capacity Rating: 1800.0 GALLONS PER HOUR; Special Features: MODEL 320- SET POINT: 140'F, 30 GPM WITH UNION CONNECTION ON HOT WATER OUTLET AND COLD WATER INLET. SAFETY FEATURE WITH 140 DEG SET POINT USED WITH 1/2 - 3 STEAM CONTROL VALVE. FLANGED HEAT EXCHANGER. 2 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.