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Technical Data Sheet
PartsTable / MRO / A524
A524 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

CAPACITOR,VARIABLE,GLASS DIELECT. Key specifications include material: IRON ALLOY OVERALL, joint_type: SCARF-PERIPHERAL RETAINER, corner_shape: SQUARE ALL CORNERS, overall_length: 0.5575 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, peripheral_diameter: 1.709 INCHES MINIMUM AND 1.715 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-232-9034, 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→ A524
NSN: 3455-00-232-9034
FSC: 3455
CAGE: 72295 — F & D TOOL CO INC (USA)
SPECIFICATIONS
materialIRON ALLOY OVERALL
joint_typeSCARF-PERIPHERAL RETAINER
corner_shapeSQUARE ALL CORNERS
overall_length0.5575 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
peripheral_diameter1.709 INCHES MINIMUM AND 1.715 INCHES MAXIMUM IN
body_inside_diameter0.3750 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
center_hole_diameter1.473 INCHES MINIMUM AND 1.475 INCHES MAXIMUM IN
body_outside_diameter0.5030 INCHES MINIMUM AND 0.5040 INCHES MAXIMUM IN
cross-sectional_height0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
nondefinitive_spec/std_data1 TYPE AND A COMPOSITION
NSN3455-00-232-9034
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,GLASS DIELECT TITLE COMPONENT PN A524 MFR CAPACITOR,VARIABLE,GLA
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
3078C1000L-MInterchangeable
interchangeable cross-reference
interchangeable
320-62-1000SHInterchangeable
interchangeable cross-reference
interchangeable
3078C1000L5MInterchangeable
interchangeable cross-reference
interchangeable
A564Interchangeable
interchangeable cross-reference
interchangeable
7023110Interchangeable
interchangeable cross-reference
interchangeable
B423Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A524?
A524 is a CAPACITOR,VARIABLE,GLASS DIELECT. It is classified as a MRO (MRO_GENERAL).
What parts can replace A524?
There are 28 known substitutes for A524: 3078C1000L-M, 320-62-1000SH, 3078C1000L5M and 25 more. Substitute compatibility should be verified for your specific system.
Is A524 still available?
A524 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