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RNG1657 ✓ 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: IRON OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN, radial_wall_thickness: 0.0530 INCHES MINIMUM AND 0.0580 INCHES MAXIMUM IN, standard_bore_diameter: 1.250 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-097-8265, 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
RNG1657
NSN: 4310-00-097-8265
FSC: 4310
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
radial_wall_thickness0.0530 INCHES MINIMUM AND 0.0580 INCHES MAXIMUM IN
standard_bore_diameter1.250 INCHES IN
cross-sectional_shape_styleBEVELED FACE, DOUBLE SCRAPER
oil_passage_type_and_quantity1 GROOVE OUTSIDE PERIPHERY
NSN4310-00-097-8265
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN RNG1657 MFR RING,PISTON
KEY FEATURES
•
OIL PASSAGE TYPE AND QUANTITY: 1 GROOVE OUTSIDE PERIPHERY
•
MATERIAL: IRON OVERALL
•
RADIAL WALL THICKNESS: 0.0530 INCHES MINIMUM AND 0.0580 INCHES MAXIMUM IN
•
JOINT STYLE: VERTICAL JOINT
•
RING STYLE: CONCENTRIC
•
CROSS-SECTIONAL SHAPE STYLE: BEVELED FACE, DOUBLE SCRAPER
•
STANDARD BORE DIAMETER: 1.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
OIL PASSAGE TYPE AND QUANTITY1 GROOVE OUTSIDE PERIPHERY
MATERIALIRON OVERALL
RADIAL WALL THICKNESS0.0530 INCHES MINIMUM AND 0.0580 INCHES MAXIMUM IN
JOINT STYLEVERTICAL JOINT
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
RING STYLECONCENTRIC
CROSS-SECTIONAL SHAPE STYLEBEVELED FACE, DOUBLE SCRAPER
STANDARD BORE DIAMETER1.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
108Interchangeable
interchangeable cross-reference
interchangeable
39019Interchangeable
interchangeable cross-reference
interchangeable
15110Interchangeable
interchangeable cross-reference
interchangeable
NAVAL REPAIR PARTInterchangeable
interchangeable cross-reference
interchangeable
34-019Interchangeable
interchangeable cross-reference
interchangeable
4646NInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RNG1657?
RNG1657 is a RING,PISTON.
What parts can replace RNG1657?
There are 8 known substitutes for RNG1657: 108, 39019, 15110 and 5 more. Substitute compatibility should be verified for your specific system.
Is RNG1657 still available?
RNG1657 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026