The Cap,heat Exchanger, cataloged under National Stock Number 4420-01-143-0351, 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 American Precision Industries Inc Basco Div. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-143-0351 |
| Primary Part Number | 33D02E6 |
| Item Name | Cap,heat Exchanger |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | American Precision Industries Inc Basco Div |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON,7.75 IN. DIAMETER WITH TWO 0.500 IN NPT OPENINGS; CAP IS FLANGED AND IS JOINED TO HEAT EXCHANGER USING AN NON ASBESTOS GASKET IN |
| Supplementary Features | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 75165 HAVE INDICATED THIER PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| 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 |
|---|---|
| 33D02E6 PRIMARY | American Precision Industries Inc Basco Div (USA) |
NSN 4420-01-143-0351 is a Cap,heat Exchanger, manufactured by American Precision Industries Inc Basco Div, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-143-0351 has 1 manufacturer part number on file: 33D02E6 (American Precision Industries Inc Basco Div).
Key specifications for 33D02E6: General Characteristics Item Description: CAST IRON,7.75 IN. DIAMETER WITH TWO 0.500 IN NPT OPENINGS; CAP IS FLANGED AND IS JOINED TO HEAT EXCHANGER USING AN NON ASBESTOS GASKET IN; Supplementary Features: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 75165 HAVE INDICATED THIER PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984; End Item Identification: BASCO STANDARD TYPE 500 4 PASS HEAT EXCHANGER. 2 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.