PartsTable
Technical Data Sheet
PartsTable / MRO / 1-12A
1-12A ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

CAPACITOR,FIXED,METALLIZED,PAPER. Key specifications include material: PLASTIC CASE, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, bore_shape: STRAIGHT, seat_angle: 30.0 DEGREES FIRST END, body_length: 0.688 INCHES NOMINAL IN, design_form: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8557, 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
MRO→ MRO_GENERAL→ 1-12A
NSN: 3110-00-144-8557
FSC: 3110
CAGE: 39317 — MCGILL MANUFACTURING COMPANY INC USE CAGE CODE 92563 FOR CATALOGING. (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
bore_shapeSTRAIGHT
seat_angle30.0 DEGREES FIRST END
body_length0.688 INCHES NOMINAL IN
design_formSTRAIGHT
thread_class2A FIRST END A
body_diameter0.300 INCHES NOMINAL IN
bore_diameter60.00 MILLIMETERS NOMINAL MM
overall_width12.0 MILLIMETERS NOMINAL MM
exterior_colorBLACK
load_directionRADIAL
NSN3110-00-144-8557
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1-12A · 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
KEY FEATURES
•
BORE DIAMETER: 60.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OUTER RING
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER60.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH12.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL INNER RING
MATERIALSTEEL BALL
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOAD DIRECTIONRADIAL
OVERALL OUTSIDE DIAMETER105.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
7639898P1Interchangeable
interchangeable cross-reference
interchangeable
10093Interchangeable
interchangeable cross-reference
interchangeable
17859-PInterchangeable
interchangeable cross-reference
interchangeable
15-1316010-40Interchangeable
interchangeable cross-reference
interchangeable
221455-1Interchangeable
interchangeable cross-reference
interchangeable
112AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-12A?
1-12A is a CAPACITOR,FIXED,METALLIZED,PAPER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1-12A?
There are 22 known substitutes for 1-12A: 7639898P1, 10093, 17859-P and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-12A?
1-12A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8557. 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