NSN 4420-01-139-2787 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-139-2787. Manufacturer of record part number: CW-3050SF.
The Tube Sheet,outer, cataloged under National Stock Number 4420-01-139-2787, 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 DC Fabricators Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Other items in FSC 4420 — Heat Exchangers and Steam Condensers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4420-00-003-2812
CORE ASSEMBLY,FLUID HEATER,INDUS
4420-00-004-1071
4420-00-004-1071 · Item name not on file
4420-00-004-1072
4420-00-004-1072 · Item name not on file
4420-00-004-1073
4420-00-004-1073 · Item name not on file
4420-00-004-1074
4420-00-004-1074 · Item name not on file
4420-00-004-3860
COOLER,FLUID,INDUSTRIAL
4420-00-004-5260
4420-00-004-5260 · Item name not on file
4420-00-005-2335
PURGE ORIFICE ASSEMBLY
Frequently Asked Questions
What is NSN 4420-01-139-2787?
NSN 4420-01-139-2787 is a Tube Sheet,outer, manufactured by DC Fabricators Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
What part numbers are listed for NSN 4420-01-139-2787?
NSN 4420-01-139-2787 has 2 manufacturer part numbers on file: CW-2300AL PIECE 378 (DC Fabricators Inc), CW-3050SF (DC Fabricators Inc).
What are the specifications of CW-3050SF?
Key specifications for CW-3050SF: End Item Identification: R.H. STBD MAIN CONDENSER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4420-01-139-2787 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.