The Core Assembly,fluid Heater,indus, cataloged under National Stock Number 4420-01-377-3876, 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 Fluid Handling Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-377-3876 |
| Primary Part Number | 4-162-08-036-001 |
| Item Name | Core Assembly,fluid Heater,indus |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Tube Quantity | 64 |
| Core Length | 36.000 INCHES NOMINAL IN |
| Tubing Outside Diameter | 0.500 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN |
| 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 |
|---|---|
| 4-162-08-036-001 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 5-050-08-036-002 ITEM 2 | C/1 Advisory reference — outside the item-of-supply concept Fluid Handling Llc |
| 4-162-08-036-001 | 3/9 Design control — primary reference Itt Corporation Dba Itt Standard |
| 5-050-08-036-002 ITEM 2 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
NSN 4420-01-377-3876 is a Core Assembly,fluid Heater,indus, manufactured by Fluid Handling Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-377-3876 has 1 manufacturer part number on file: 4-162-08-036-001 (Fluid Handling Llc).
Key specifications for 4-162-08-036-001: Heat Transfer Method: INDIRECT; Tube Quantity: 64; Core Length: 36.000 INCHES NOMINAL IN; Tubing Outside Diameter: 0.500 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN. 5 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.