The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-207-9758, 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 Johnson Controls Navy Systems, Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-207-9758 |
| Primary Part Number | 67-19737 PIECE 11 |
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Style Designator | STRAIGHT PLAIN TUBE, CYLINDRICAL |
| Core Diameter | 3.625 INCHES NOMINAL IN |
| Tube Quantity | 80 |
| Tube Attachment Method | EXPANDED BOTH ENDS |
| Core Length | 16.000 INCHES NOMINAL IN |
| Material | COPPER AND NICKEL ALLOY TUBES |
| 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 |
|---|---|
| 67-19737 PIECE 11 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| LM-195895C PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3318150 R | D/9 Drawing number reference only U.S. Government activity |
| 67-19737 | D/9 Drawing number reference only Johnson Controls Navy Systems, Llc |
NSN 4420-01-207-9758 is a Core Assembly,fluid Cooler, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-207-9758 has 2 manufacturer part numbers on file: 67-19737 PIECE 11 (Johnson Controls Navy Systems, Llc), LM-195895C (Johnson Controls Navy Systems, Llc).
Key specifications for 67-19737 PIECE 11: Heat Transfer Method: INDIRECT; Style Designator: STRAIGHT PLAIN TUBE, CYLINDRICAL; Core Diameter: 3.625 INCHES NOMINAL IN; Tube Quantity: 80. 7 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.