The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-270-2549, 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 Ametek Inc Heat Transfer Div. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4420-01-270-2549 |
| Primary Part Number | 75426-A-036 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Ametek Inc Heat Transfer Div |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Effective Heat Transfer Surface Area | 13.6 SQUARE FEET |
| Material Document and Classification | MIL-C-15005 MIL SPEC SINGLE MATERIAL RESPONSE TUBES |
| Material Document and Classification | MIL-C-5726 MIL SPEC SINGLE MATERIAL RESPONSE TUBE SHEET |
| Material Document and Classification | MIL-H-16541 MIL SPEC SINGLE MATERIAL RESPONSE HOUSING |
| Material Document and Classification | MIL-T-20168 MIL SPEC SINGLE MATERIAL RESPONSE SHELL |
| Tube Quantity | 69 |
| Tubing Outside Diameter | 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Material | BRASS SHELL |
| Material | COPPER ALLOY TUBES |
| Material | COPPER ALLOY TUBE SHEET |
| Material | BRASS HOUSING |
| Material | BRASS PLATES |
| 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 |
|---|---|
| 75426-A-036 PRIMARY | Ametek Inc Heat Transfer Div (USA) |
| Reference | Meaning |
|---|---|
| 5W36-MHTR-2-A-C | C/1 Advisory reference — outside the item-of-supply concept Ametek Inc Heat Transfer Div |
NSN 4420-01-270-2549 is a Cooler,fluid,industrial, manufactured by Ametek Inc Heat Transfer Div, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-270-2549 has 1 manufacturer part number on file: 75426-A-036 (Ametek Inc Heat Transfer Div).
Key specifications for 75426-A-036: Heat Transfer Method: INDIRECT; Effective Heat Transfer Surface Area: 13.6 SQUARE FEET; Material Document and Classification: MIL-C-15005 MIL SPEC SINGLE MATERIAL RESPONSE TUBES; Material Document and Classification: MIL-C-5726 MIL SPEC SINGLE MATERIAL RESPONSE TUBE SHEET. 13 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.