PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

185429D146Core Assembly,fluid Cooler

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4420-00-360-2021 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-00-360-2021 — this item is cataloged by the U.S. Government under National Stock Number 4420-00-360-2021. Primary manufacturer part number: 185429D146.
Features
  • Core Assembly,fluid Cooler — FSC 4420
  • Style Designator: PLAIN "U" TUBE
  • Material: COPPER ALLOY TUBES
  • Effective Heat Transfer Surface Area: 6.1 SQUARE FEET
  • Heat Transfer Method: INDIRECT
  • Tubing Outside Diameter: 0.875 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN
  • Tube Attachment Method: BRAZED BOTH ENDS
  • Core Length: 45.874 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Tubes construction
General Description

The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-00-360-2021, is classified within Federal Supply Class 4420 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-00-360-2021
Primary Part Number185429D146
Item NameCore Assembly,fluid Cooler
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Style DesignatorPLAIN "U" TUBE
MaterialCOPPER ALLOY TUBES
Effective Heat Transfer Surface Area6.1 SQUARE FEET
Heat Transfer MethodINDIRECT
Tubing Outside Diameter0.875 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN
Tube Attachment MethodBRAZED BOTH ENDS
Core Length45.874 INCHES NOMINAL IN
Core Diameter6.4375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
188406PC146 Siemens Energy, Inc. Dba Dresser-Rand (USA)
185414PC146 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
188081PC146 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
185429D146 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
1R3000-30-146 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
187681PC146 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
185414PC146 Ingersoll Rand Co (USA)
188082PC146 Ingersoll Rand Co (USA)
187682PC146 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
188082PC146 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
185429PC146 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
185429D146 Siemens Energy, Inc. Dba Dresser-Rand (USA)
185414PC146 Siemens Energy, Inc. Dba Dresser-Rand (USA)
188082PC146 Siemens Energy, Inc. Dba Dresser-Rand (USA)
187681PC146 Siemens Energy, Inc. Dba Dresser-Rand (USA)
187681PC146 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
185414PC146 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
185413PC146 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
187698PC146 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
187698PC146 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
Related Parts in Furnace, Steam, Drying, Nuclear Reactors
4420-00-003-2812
CORE ASSEMBLY,FLUID HEATER,INDUS
12C3-2B
4420-00-004-1071
NO ITEM NAME AVAILABLE
4420-00-004-1072
NO ITEM NAME AVAILABLE
4420-00-004-1073
NO ITEM NAME AVAILABLE
4420-00-004-1074
NO ITEM NAME AVAILABLE
4420-00-004-3860
COOLER,FLUID,INDUSTRIAL
4420-00-004-5260
NO ITEM NAME AVAILABLE
4420-00-005-2335
PURGE ORIFICE ASSEMBLY
200-404-34

Frequently Asked Questions

What is NSN 4420-00-360-2021?

NSN 4420-00-360-2021 is a Core Assembly,fluid Cooler, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-00-360-2021?

NSN 4420-00-360-2021 has 50 cross-referenced part numbers: 188406PC146 (Siemens Energy, Inc. Dba Dresser-Rand), 185414PC146 (Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture), 188081PC146 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 185429D146 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 1R3000-30-146 (Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture) and 45 more.

What are the specifications of 185429D146?

Key specifications for 185429D146: Style Designator: PLAIN "U" TUBE; Material: COPPER ALLOY TUBES; Effective Heat Transfer Surface Area: 6.1 SQUARE FEET; Heat Transfer Method: INDIRECT. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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