The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-188-8732, 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 Harsco Corporation Dba Patterson-Kelley Division Div Harsco Industrial Patterson Kelley. Government technical data includes 8 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-188-8732 |
| Primary Part Number | F-251 |
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 / 44 — No Item Name Available |
| Manufacturer | Harsco Corporation Dba Patterson-Kelley Division Div Harsco Industrial Patterson Kelley |
| Status | ACTIVE |
| Core Length | 78.000 INCHES NOMINAL IN |
| Core Width | 17.375 INCHES NOMINAL IN |
| Tube Quantity | 281 |
| Tubing Outside Diameter | 0.750 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN |
| Heat Transfer Method | DIRECT |
| Material | ALUMINUM ALLOY AND COPPER OVERALL |
| Style Designator | STRAIGHT FINNED TUBE, RECTANGULAR |
| Material Thickness | 0.049 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| F-251 | Harsco Corporation Dba Patterson-Kelley Division Div Harsco Industrial Patterson Kelley (USA) |
| F-251 ITEM 9 | Harsco Corporation Dba Patterson-Kelley Division Div Harsco Industrial Patterson Kelley (USA) |
NSN 4420-01-188-8732 is a Core Assembly,fluid Cooler, manufactured by Harsco Corporation Dba Patterson-Kelley Division Div Harsco Industrial Patterson Kelley, classified under FSC 4420 (No Item Name Available). Status: active.
NSN 4420-01-188-8732 has 2 cross-referenced part numbers: F-251 (Harsco Corporation Dba Patterson-Kelley Division Div Harsco Industrial Patterson Kelley), F-251 ITEM 9 (Harsco Corporation Dba Patterson-Kelley Division Div Harsco Industrial Patterson Kelley).
There are 5 known substitutes for 4420-01-188-8732: 6610-00-132-1358, 5945-00-230-5060, 6110-00-890-3025 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for F-251: Core Length: 78.000 INCHES NOMINAL IN; Core Width: 17.375 INCHES NOMINAL IN; Tube Quantity: 281; Tubing Outside Diameter: 0.750 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN. 8 total characteristics are documented in the Federal Logistics Information System.