PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

661BCoil,cooler

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4310-00-824-5743 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-824-5743 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-824-5743. Primary manufacturer part number: 661B.
Features
  • Coil,cooler — FSC 4310
  • 4 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Coil,cooler, cataloged under National Stock Number 4310-00-824-5743, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCoil,cooler
FSC / FSG4310 — No Item Name Available (FSG 43)
ManufacturersDresser-Rand Co Worthington Compressor Opn a Joint Venture (CAGE 93236); Siemens Energy, Inc. Dba Dresser-Rand (CAGE 0AT62); Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (CAGE 8FGX3); Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (CAGE 830Q4)
Technical Specifications
ParameterValue
NSN4310-00-824-5743
Primary Part Number661B
Item NameCoil,cooler
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6135-00-100-0453 INTERCHANGEABLE
Battery,nonrechargeable
5306-00-550-0702661B INTERCHANGEABLE
Bolt,machine
Textron Lycoming Inc Williamsport Plant
Cross-Reference Index
Part NumberManufacturer
661B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
661B Siemens Energy, Inc. Dba Dresser-Rand (USA)
661B PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
661B Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
Related Parts
6135-00-100-0453INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5306-00-550-0702INTERCHANGEABLE
BOLT,MACHINE
661B

Frequently Asked Questions

What is NSN 4310-00-824-5743?

NSN 4310-00-824-5743 is a Coil,cooler, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-824-5743?

NSN 4310-00-824-5743 has 4 cross-referenced part numbers: 661B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 661B (Siemens Energy, Inc. Dba Dresser-Rand), 661B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 661B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).

What NSN replaces 4310-00-824-5743?

There are 2 known substitutes for 4310-00-824-5743: 6135-00-100-0453, 5306-00-550-0702. Verify interchangeability with system specifications before substitution.

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