PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4019BPiston,compressor

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4310-00-218-4117 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-218-4117 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-218-4117. Primary manufacturer part number: 4019B.
Features
  • Piston,compressor — FSC 4310
  • Oil Passage Type: HOLE
  • Oil Groove: INCLUDED
  • Pin Hole Bushing: NOT INCLUDED
  • Retaining Ring Groove: NOT INCLUDED
  • Pin Type for Which Designed: LOCKED
  • Pin: NOT INCLUDED
  • Ring Groove Width: 0.312 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy or Aluminum construction
General Description

The Piston,compressor, cataloged under National Stock Number 4310-00-218-4117, 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 21 verified specifications, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-218-4117
Primary Part Number4019B
Item NamePiston,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
Oil Passage TypeHOLE
Oil GrooveINCLUDED
Pin Hole BushingNOT INCLUDED
Retaining Ring GrooveNOT INCLUDED
Pin Type for Which DesignedLOCKED
PinNOT INCLUDED
Ring Groove Width0.312 INCHES NOMINAL IN
Integral Connecting RodNOT INCLUDED
MaterialALUMINUM ALLOY OR ALUMINUM
Head StyleFLAT
Ring Groove Quantity4
Surface FinishSEMIFINISHED
Skirt Bottom Cutaway FeatureNOT INCLUDED
Distance Between Pin Bosses2.254 INCHES NOMINAL IN
RingNOT INCLUDED
Distance From Pin Hole Center to Extreme Top3.926 INCHES NOMINAL IN
Pinhole Diameter1.744 INCHES NOMINAL IN
Ring Groove Diameter6.646 INCHES NOMINAL IN
Ring Groove Position and QuantityNO. 4 RING GROOVE AND NO. 1,NO. 2,NO. 3,NO. 4 POSITIONS PISTON
Skirt TypeSOLID
Diameter7.215 INCHES MINIMUM AND 7.240 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6145-01-104-50831323C INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
5962-01-278-06144019B INTERCHANGEABLE
Microcircuit,digital
Oai Electronics, Llc Div Oai Electronics
Cross-Reference Index
Part NumberManufacturer
4019B Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
4019B Siemens Energy, Inc. Dba Dresser-Rand (USA)
4019B PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
4019B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
Related Parts
6145-01-104-5083INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
1323C
5962-01-278-0614INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4019B

Frequently Asked Questions

What is NSN 4310-00-218-4117?

NSN 4310-00-218-4117 is a Piston,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 4310-00-218-4117?

NSN 4310-00-218-4117 has 4 cross-referenced part numbers: 4019B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 4019B (Siemens Energy, Inc. Dba Dresser-Rand), 4019B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 4019B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture).

What NSN replaces 4310-00-218-4117?

There are 2 known substitutes for 4310-00-218-4117: 6145-01-104-5083, 5962-01-278-0614. Verify interchangeability with system specifications before substitution.

What are the specifications of 4019B?

Key specifications for 4019B: Oil Passage Type: HOLE; Oil Groove: INCLUDED; Pin Hole Bushing: NOT INCLUDED; Retaining Ring Groove: NOT INCLUDED. 23 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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