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RNG1965 ✓ 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 RING,PISTON is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.2460 INCHES NOMINAL IN, radial_wall_thickness: 0.4430 INCHES NOMINAL IN, standard_bore_diameter: 8.125 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-01-021-1449, 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
RNG1965
NSN: 4310-01-021-1449
FSC: 4310
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.2460 INCHES NOMINAL IN
radial_wall_thickness0.4430 INCHES NOMINAL IN
standard_bore_diameter8.125 INCHES IN
cross-sectional_shape_styleINSIDE BEVEL, UPPER, STRAIGHT FACE
NSN4310-01-021-1449
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN RNG1965 MFR RING,PISTON
KEY FEATURES
•
JOINT STYLE: VERTICAL JOINT
•
STANDARD BORE DIAMETER: 8.125 INCHES IN
•
RADIAL WALL THICKNESS: 0.4430 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
CROSS-SECTIONAL SHAPE STYLE: INSIDE BEVEL, UPPER, STRAIGHT FACE
•
MATERIAL: COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
JOINT STYLEVERTICAL JOINT
STANDARD BORE DIAMETER8.125 INCHES IN
OVERALL WIDTH0.2460 INCHES NOMINAL IN
RADIAL WALL THICKNESS0.4430 INCHES NOMINAL IN
RING STYLECONCENTRIC
CROSS-SECTIONAL SHAPE STYLEINSIDE BEVEL, UPPER, STRAIGHT FACE
MATERIALCOPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
40411Interchangeable
interchangeable cross-reference
interchangeable
40411AInterchangeable
interchangeable cross-reference
interchangeable
704204-112Interchangeable
interchangeable cross-reference
interchangeable
68B418000-205Interchangeable
interchangeable cross-reference
interchangeable
4041-2Interchangeable
interchangeable cross-reference
interchangeable
4501-205-GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RNG1965?
RNG1965 is a RING,PISTON.
What parts can replace RNG1965?
There are 14 known substitutes for RNG1965: 40411, 40411A, 704204-112 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RNG1965?
RNG1965 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-01-021-1449. 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