PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

330BCylinder Head,compressor

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4310-00-398-9127 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-398-9127 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-398-9127. Primary manufacturer part number: 330B.
Features
  • Cylinder Head,compressor — FSC 4310
  • Material: COPPER ALLOY
  • 4 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Applications
  • Applications requiring Copper Alloy construction
General Description

The Cylinder Head,compressor, cataloged under National Stock Number 4310-00-398-9127, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-398-9127
Primary Part Number330B
Item NameCylinder Head,compressor
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusACTIVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6625-00-668-9418TS723BU INTERCHANGEABLE
Analyzer,spectrum
Joint Electronics Type Designation System
6625-01-065-8186330B INTERCHANGEABLE
Filter,variable
Krohn-Hite Corp
5340-01-376-0567 INTERCHANGEABLE
Bolt,mortise
Cross-Reference Index
Part NumberManufacturer
330B Siemens Energy, Inc. Dba Dresser-Rand (USA)
330B Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
330B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
330B PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
Related Parts
6625-00-668-9418INTERCHANGEABLE
ANALYZER,SPECTRUM
TS723BU
6625-01-065-8186INTERCHANGEABLE
FILTER,VARIABLE
330B
5340-01-376-0567INTERCHANGEABLE
BOLT,MORTISE

Frequently Asked Questions

What is NSN 4310-00-398-9127?

NSN 4310-00-398-9127 is a Cylinder Head,compressor, 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 4310-00-398-9127?

NSN 4310-00-398-9127 has 4 cross-referenced part numbers: 330B (Siemens Energy, Inc. Dba Dresser-Rand), 330B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 330B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 330B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).

What NSN replaces 4310-00-398-9127?

There are 3 known substitutes for 4310-00-398-9127: 6625-00-668-9418, 6625-01-065-8186, 5340-01-376-0567. Verify interchangeability with system specifications before substitution.

What are the specifications of 330B?

Key specifications for 330B: Material: COPPER ALLOY; Special Features: 6.375 IN. DIA;4.358 IN. HT IN. 2 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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