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WS4C-66 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The ROD,PISTON is a the manufacturer industrial component. Key specifications include width: 2.610 INCHES NOMINAL IN, length: 3.250 INCHES NOMINAL IN, material: STEEL, plug_type: OIL SEALING, body_style: CHAMFERED ENDS, bore_style: INSIDE CHAMFER STRAIGHT-THRU BORE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-110-3673, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
WS4C-66
NSN: 4320-00-110-3673
FSC: 4320
CAGE: 71639 — ALFRED CONHAGEN, INC. (USA)
SPECIFICATIONS
width2.610 INCHES NOMINAL IN
length3.250 INCHES NOMINAL IN
materialSTEEL
plug_typeOIL SEALING
body_styleCHAMFERED ENDS
bore_styleINSIDE CHAMFER STRAIGHT-THRU BORE
body_length2.8240 INCHES MINIMUM AND 2.8340 INCHES MAXIMUM IN
bore_diameter0.5580 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
overall_width0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
overall_length0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
outside_diameter0.81230 INCHES MINIMUM AND 0.81260 INCHES MAXIMUM IN
special_features0.750 INCH THICK; CIRCULAR GROOVE LENGTHWISE DOWN CENTER IN
NSN4320-00-110-3673
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ROD,PISTON TITLE COMPONENT PN WS4C-66 MFR ROD,PISTON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
10535Interchangeable
interchangeable cross-reference
interchangeable
A31-179Interchangeable
interchangeable cross-reference
interchangeable
MB352-4AInterchangeable
interchangeable cross-reference
interchangeable
7B280Interchangeable
interchangeable cross-reference
interchangeable
10535-00Interchangeable
interchangeable cross-reference
interchangeable
79NM-26Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WS4C-66?
WS4C-66 is a ROD,PISTON.
What parts can replace WS4C-66?
There are 9 known substitutes for WS4C-66: 10535, A31-179, MB352-4A and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WS4C-66?
WS4C-66 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-110-3673. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026