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PartsTable / COMPONENT / A30165900-9
A30165900-9 ✓ 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: STEEL COMP 8620 OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.9320 INCHES NOMINAL IN, fsc_application_data: MARINETRANSMISSI0N,REVERSEANDREDUCTI0NGEAR, radial_wall_thickness: 0.1700 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM 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 4310-00-081-1559, 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
A30165900-9
NSN: 4310-00-081-1559
FSC: 4310
CAGE: 77873 — ROCKFORD POWERTRAIN INC DIV POWERTRAIN ROCKFORD, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 8620 OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.9320 INCHES NOMINAL IN
fsc_application_dataMARINETRANSMISSI0N,REVERSEANDREDUCTI0NGEAR
radial_wall_thickness0.1700 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN
standard_bore_diameter4.250 INCHES IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN4310-00-081-1559
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN A30165900-9 MFR RING,PISTON
KEY FEATURES
•
RADIAL WALL THICKNESS: 0.1700 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 8620 OVERALL
•
JOINT STYLE: VERTICAL JOINT
•
RING STYLE: CONCENTRIC
•
FSC APPLICATION DATA: MARINETRANSMISSI0N,REVERSEANDREDUCTI0NGEAR
•
STANDARD BORE DIAMETER: 4.250 INCHES IN
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
TECHNICAL CHARACTERISTICS (FLIS)
RADIAL WALL THICKNESS0.1700 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN
MATERIALSTEEL COMP 8620 OVERALL
OVERALL WIDTH0.9320 INCHES NOMINAL IN
JOINT STYLEVERTICAL JOINT
RING STYLECONCENTRIC
FSC APPLICATION DATAMARINETRANSMISSI0N,REVERSEANDREDUCTI0NGEAR
STANDARD BORE DIAMETER4.250 INCHES IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
KWS414Interchangeable
interchangeable cross-reference
interchangeable
A10-6007Interchangeable
interchangeable cross-reference
interchangeable
25070Interchangeable
interchangeable cross-reference
interchangeable
A301659Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A30165900-9?
A30165900-9 is a RING,PISTON.
What parts can replace A30165900-9?
There are 4 known substitutes for A30165900-9: KWS414, A10-6007, 25070 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A30165900-9?
A30165900-9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-081-1559. 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