The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-208-6579, 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 Boyd Corporation (woburn) Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-208-6579 |
| Primary Part Number | 6511G1 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Boyd Corporation (woburn) Inc |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Length | 6.000 INCHES NOMINAL IN |
| Style Designator | PLATE CYLINDRICAL |
| Diameter | 1.310 INCHES NOMINAL IN |
| Tube Quantity | 1 |
| Tube Attachment Method | SOLDERED BOTH ENDS |
| Tubing Outside Diameter | 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Height | 2.280 INCHES NOMINAL IN |
| Capacity Rating | 1.5 GALLONS PER HOUR |
| Material | COPPER ALLOY 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 |
|---|---|
| 6511G1 PRIMARY | Boyd Corporation (woburn) Inc (USA) |
| Reference | Meaning |
|---|---|
| 13226E1747 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4420-01-208-6579 is a Cooler,fluid,industrial, manufactured by Boyd Corporation (woburn) Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-208-6579 has 1 manufacturer part number on file: 6511G1 (Boyd Corporation (woburn) Inc).
Key specifications for 6511G1: Heat Transfer Method: INDIRECT; Length: 6.000 INCHES NOMINAL IN; Style Designator: PLATE CYLINDRICAL; Diameter: 1.310 INCHES NOMINAL IN. 10 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.