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PartsTable / COMPONENT / 31309
31309 ✓ Verified by PartsTable
Aquabeads · 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include style_designator: NON-CIRCULAR, aperture_diameter: 1.875 INCHES NOMINAL IN, center_to_center_distance_between_bolt_holes_along_length: 3.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-197-9554, 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
31309
NSN: 5136-00-197-9554
FSC: 5136
CAGE: 41672 — MORSE CUTTING TOOLS DIV OF MORSE CUTTING TOOL CORP (USA)
SPECIFICATIONS
style_designatorNON-CIRCULAR
aperture_diameter1.875 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_length3.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5136-00-197-9554
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Aquabeads CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 31309 MFR Aquabeads CAPACITOR,FIXED,PAPER
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.500-13 UNIFIED NATIONAL COARSE (UNC)
•
WIDTH ACROSS FLATS: 1.062 INCHES NOMINAL IN
•
THICKNESS: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID HEXAGON NUT
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)
MATERIALSTEEL OVERALL
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.500-13 UNIFIED NATIONAL COARSE (UNC)
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.500-13 UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS1.062 INCHES NOMINAL IN
THICKNESS0.500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSOLID HEXAGON NUT
STYLE DESIGNATORSOLID HEXAGON NUT
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH DIAMETERS+0.4411 TO 0.4500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
IS1025Interchangeable
interchangeable cross-reference
interchangeable
7244Interchangeable
interchangeable cross-reference
interchangeable
A6740-75000Interchangeable
interchangeable cross-reference
interchangeable
8A28546Interchangeable
interchangeable cross-reference
interchangeable
24130Interchangeable
interchangeable cross-reference
interchangeable
D10004-47Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31309?
31309 is a CAPACITOR,FIXED,PAPER DIELECTRIC manufactured by Aquabeads.
What parts can replace 31309?
There are 23 known substitutes for 31309: IS1025, 7244, A6740-75000 and 20 more. Substitute compatibility should be verified for your specific system.
Is 31309 still available?
31309 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