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Technical Data Sheet
PartsTable / COMPONENT / A30512-19-53
A30512-19-53 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE ASSY, MAIN STAGE, part_name_assigned_by_controlling_agency: INAVY-VALVE, MAINSTG. ASSY.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-009-7462, 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
A30512-19-53
NSN: 3110-01-009-7462
FSC: 3110
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
end_item_identificationVALVE ASSY, MAIN STAGE
part_name_assigned_by_controlling_agencyINAVY-VALVE, MAINSTG. ASSY
NSN3110-01-009-7462
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A30512-19-53 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
A20-1AInterchangeable
interchangeable cross-reference
interchangeable
2105-3Interchangeable
interchangeable cross-reference
interchangeable
A20-1ABInterchangeable
interchangeable cross-reference
interchangeable
0042871-4Interchangeable
interchangeable cross-reference
interchangeable
C392Interchangeable
interchangeable cross-reference
interchangeable
572Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A30512-19-53?
A30512-19-53 is a BEARING.
What parts can replace A30512-19-53?
There are 22 known substitutes for A30512-19-53: A20-1A, 2105-3, A20-1AB and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A30512-19-53?
A30512-19-53 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-009-7462. 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