The Condenser,steam,surface, cataloged under National Stock Number 4420-01-228-2895, 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 Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4420-01-228-2895 |
| Primary Part Number | 738D7523 MODEL S66-6E |
| Item Name | Condenser,steam,surface |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Tube Length | 18.062 FEET NOMINAL FT |
| Tube Type | PLAIN |
| Pass Quantity | 1 |
| Tube Quantity | 6 |
| Tube Attachment Method | BRAZED BOTH ENDS |
| Tubing Outside Diameter | 0.500 INCHES NOMINAL IN |
| Unit Type | WATER-COOLED |
| Condensing Method | COOLING WATER FLOWING THROUGH 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 |
|---|---|
| 738D7523 MODEL S66-6E PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 738D7523 MODEL S66-6E | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 4420-01-228-2895 is a Condenser,steam,surface, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-228-2895 has 1 manufacturer part number on file: 738D7523 MODEL S66-6E (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 738D7523 MODEL S66-6E: Tube Length: 18.062 FEET NOMINAL FT; Tube Type: PLAIN; Pass Quantity: 1; Tube Quantity: 6. 8 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.