The Heater,fluid,industrial, cataloged under National Stock Number 4420-00-360-2459, is classified within Federal Supply Class 4420 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Taco Inc. Div Heat Transfer Products Division. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-00-360-2459 |
| Primary Part Number | U4S |
| Item Name | Heater,fluid,industrial |
| FSC / FSG | 4420 / 44 — No Item Name Available |
| Manufacturer | Taco Inc. Div Heat Transfer Products Division |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE CONDENSATE RETURN |
| Tube Quantity | 14 |
| Connection Type | THREADED INTERNAL PIPE STEAM INLET |
| Heat Transfer Method | INDIRECT |
| Material | STEEL SHELL |
| Material | STEEL TUBE SHEET |
| Effective Heat Transfer Surface Area | 9.2 SQUARE FEET |
| Style Designator | PLAIN U-TUBE |
| Tubing Outside Diameter | 0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Material | STEEL TUBES |
| Tube Attachment Method | EXPANDED BOTH ENDS |
| Maximum Steam Working Pressure | ERR-060 |
| Connection Type | THREADED INTERNAL PIPE HEATED FLUID INLET |
| Connection Type | THREADED INTERNAL PIPE HEATED FLUID OUTLET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4420-00-360-2459 is a Heater,fluid,industrial, manufactured by Taco Inc. Div Heat Transfer Products Division, classified under FSC 4420 (No Item Name Available). Status: active.
NSN 4420-00-360-2459 has 2 cross-referenced part numbers: U4S (Taco Inc. Div Heat Transfer Products Division), U-4 (Taco Inc. Div Heat Transfer Products Division).
There are 7 known substitutes for 4420-00-360-2459: 3455-00-140-3041, 5945-00-221-6499, 6810-00-227-0404 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for U4S: Connection Type: THREADED INTERNAL PIPE CONDENSATE RETURN; Tube Quantity: 14; Connection Type: THREADED INTERNAL PIPE STEAM INLET; Heat Transfer Method: INDIRECT. 14 total characteristics are documented in the Federal Logistics Information System.