PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43511Pin,piston

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4310-00-288-1391 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-288-1391 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-288-1391. Primary manufacturer part number: 43511.
Features
  • Pin,piston — FSC 4310
  • Radius: 0.031 INCHES NOMINAL IN
  • Body Length: 3.5625 INCHES NOMINAL IN
  • Material: STEEL
  • Material Document and Classification: 18 88663 MFR REF SINGLE MATERIAL RESPONSE
  • FSC Application Data: AIR COMPRESSOR
  • Body Style: RADII ENDS W/RADIAL SLOT
  • Outside Diameter: 1.12300 INCHES MINIMUM AND 1.12400 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel construction
General Description

The Pin,piston, cataloged under National Stock Number 4310-00-288-1391, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-288-1391
Primary Part Number43511
Item NamePin,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusACTIVE
Radius0.031 INCHES NOMINAL IN
Body Length3.5625 INCHES NOMINAL IN
MaterialSTEEL
Material Document and Classification18 88663 MFR REF SINGLE MATERIAL RESPONSE
FSC Application DataAIR COMPRESSOR
Body StyleRADII ENDS W/RADIAL SLOT
Outside Diameter1.12300 INCHES MINIMUM AND 1.12400 INCHES MAXIMUM IN
Groove Depth0.1562 INCHES NOMINAL IN
Metallic Hardness Rating61.0 MINIMUM ROCKWELL C AND 63.0 MAXIMUM ROCKWELL C
Distance From End to Slot Center1.781 INCHES NOMINAL IN
Radial Groove Radius0.219 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-158-826443511 INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
3455-00-228-5218171621 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5306-00-927-019043-511 INTERCHANGEABLE
Bolt,machine
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
3120-01-005-1248144EX266 INTERCHANGEABLE
Bushing,sleeve
Oshkosh Defense Llc
5977-01-200-4793435-11 INTERCHANGEABLE
Electrode
Aqua-Chem, Inc. Dba Aqua-Chem Inc
5999-01-298-085243511 INTERCHANGEABLE
Shielding Gasket,electronic
Williams International Co., L.l.c.
5310-01-484-40395710-8-20P INTERCHANGEABLE
Washer,flat
Seastrom Manufacturing Co Inc
5120-01-528-414800943511000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5210-01-681-563643-511 INTERCHANGEABLE
Level,bench
Stanley Tools Div of Stanley Works
5330-01-685-693443511 INTERCHANGEABLE
Retainer,packing
Oatey Co
Cross-Reference Index
Part NumberManufacturer
43511 Siemens Energy, Inc. Dba Dresser-Rand (USA)
43511 Ingersoll Rand Co (USA)
43511 PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
43511 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
43511 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
Related Parts
3110-00-158-8264INTERCHANGEABLE
BEARING,BALL,ANNULAR
43511
3455-00-228-5218INTERCHANGEABLE
CUTTER,MILLING,END
171621
5306-00-927-0190INTERCHANGEABLE
BOLT,MACHINE
43-511
3120-01-005-1248INTERCHANGEABLE
BUSHING,SLEEVE
144EX266
5977-01-200-4793INTERCHANGEABLE
ELECTRODE
435-11
5999-01-298-0852INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
43511
5310-01-484-4039INTERCHANGEABLE
WASHER,FLAT
5710-8-20P
5120-01-528-4148INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00943511000
5210-01-681-5636INTERCHANGEABLE
LEVEL,BENCH
43-511
5330-01-685-6934INTERCHANGEABLE
RETAINER,PACKING
43511

Frequently Asked Questions

What is NSN 4310-00-288-1391?

NSN 4310-00-288-1391 is a Pin,piston, 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 4310-00-288-1391?

NSN 4310-00-288-1391 has 5 cross-referenced part numbers: 43511 (Siemens Energy, Inc. Dba Dresser-Rand), 43511 (Ingersoll Rand Co), 43511 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 43511 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 43511 (Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture).

What NSN replaces 4310-00-288-1391?

There are 10 known substitutes for 4310-00-288-1391: 3110-00-158-8264, 3455-00-228-5218, 5306-00-927-0190 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43511?

Key specifications for 43511: Radius: 0.031 INCHES NOMINAL IN; Body Length: 3.5625 INCHES NOMINAL IN; Material: STEEL; Material Document and Classification: 18 88663 MFR REF SINGLE MATERIAL RESPONSE. 12 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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