The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-188-1325, 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 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-188-1325 |
| Primary Part Number | 90-3.4.1ALT5-D-920L |
| Item Name | Heater,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Maximum Steam Working Pressure | 50.0 NON-MERCURY ALTERNATIVE - MEDICAL PRODUCTS - FEEDING TUBES |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 00-66007070-ALT0-D-920L | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 90-3.4.1ALT5-D-920L PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4420-01-188-1325 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 4420-01-188-1325 has 2 manufacturer part numbers on file: 00-66007070-ALT0-D-920L (Leslie Controls, Inc. Dba Leslie Controls Inc), 90-3.4.1ALT5-D-920L (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 90-3.4.1ALT5-D-920L: Heat Transfer Method: INDIRECT; Maximum Steam Working Pressure: 50.0 NON-MERCURY ALTERNATIVE - MEDICAL PRODUCTS - FEEDING TUBES; Material: STEEL OVERALL. 3 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.