The Heat Exchanger, cataloged under National Stock Number 4420-01-194-4027, 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 Thermal Systems Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4420-01-194-4027 |
| Primary Part Number | 11074-000 |
| Item Name | Heat Exchanger |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Ametek Thermal Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 18.000 IN. LG,16.750 IN. W,2.500 IN. H IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 5965G1 | Boyd Corporation (woburn) Inc (USA) |
| 11074-000 PRIMARY | Ametek Thermal Systems Inc (USA) |
| 5186634 | Elanco Inc (USA) |
| Reference | Meaning |
|---|---|
| 5186634 | 5/9 Secondary reference Raytheon Company |
| 4130PL0978942 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5186634 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 4420-01-194-4027 is a Heat Exchanger, manufactured by Ametek Thermal Systems Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-194-4027 has 3 manufacturer part numbers on file: 5965G1 (Boyd Corporation (woburn) Inc), 11074-000 (Ametek Thermal Systems Inc), 5186634 (Elanco Inc).
Key specifications for 11074-000: General Characteristics Item Description: 18.000 IN. LG,16.750 IN. W,2.500 IN. H IN. 1 specification is 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.
NSN 4420-01-194-4027 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.