The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-186-9549, 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 Tate Andale, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-186-9549 |
| Primary Part Number | E8146 PIECE 2 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Distance Between Flanges | 13.000 INCHES NOMINAL IN |
| Length | 61.750 INCHES NOMINAL IN |
| Style Designator | LEFT HAND TUBE |
| Material Document and Classification | MIL-B-24480 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Height | 17.500 INCHES NOMINAL IN |
| Material | COPPER AND NICKEL 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 |
|---|---|
| E8146 PIECE 2 PRIMARY | Tate Andale, Llc (USA) |
| N5715 PIECE 3 PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| N5715 | D/9 Drawing number reference only Tate Andale, Llc |
NSN 4420-01-186-9549 is a Cooler,fluid,industrial, manufactured by Tate Andale, Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-186-9549 has 2 manufacturer part numbers on file: E8146 PIECE 2 (Tate Andale, Llc), N5715 PIECE 3 (Tate Andale, Llc).
Key specifications for E8146 PIECE 2: Heat Transfer Method: INDIRECT; Distance Between Flanges: 13.000 INCHES NOMINAL IN; Length: 61.750 INCHES NOMINAL IN; Style Designator: LEFT HAND TUBE. 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.