PartsTable
Technical Data Sheet
PartsTable / MRO / C392
C392 ✓ 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,PAPER DIELECTRIC. Key specifications include material: STEEL OVERALL, body_style: W/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE, body_width: 1.000 INCHES NOMINAL IN, body_height: 0.750 INCHES NOMINAL IN, body_length: 1.813 INCHES NOMINAL IN, overall_width: 1.1250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0329, 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→ C392
NSN: 3110-00-100-0329
FSC: 3110
CAGE: 61822 — AMCA INTL CORP UNIT CRANE DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleW/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE
body_width1.000 INCHES NOMINAL IN
body_height0.750 INCHES NOMINAL IN
body_length1.813 INCHES NOMINAL IN
overall_width1.1250 INCHES NOMINAL IN
outside_diameter5.5115 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
backface_corner_radius0.1250 INCHES NOMINAL IN
end_item_identificationMRAP BUFFALO MK2A2
NSN3110-00-100-0329
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: C392 · 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
•
OUTSIDE DIAMETER: 5.5115 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
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)
OUTSIDE DIAMETER5.5115 INCHES NOMINAL IN
OVERALL WIDTH1.1250 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING,CUP OTR WHL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
85112186Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
interchangeable cross-reference
interchangeable
101026Interchangeable
interchangeable cross-reference
interchangeable
A20-1AInterchangeable
interchangeable cross-reference
interchangeable
2105-3Interchangeable
interchangeable cross-reference
interchangeable
A20-1ABInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C392?
C392 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace C392?
There are 26 known substitutes for C392: 85112186, FFS92, 101026 and 23 more. Substitute compatibility should be verified for your specific system.
Is C392 still available?
C392 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