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Technical Data Sheet
PartsTable / COMPONENT / 39-310A
39-310A ✓ Verified by PartsTable
— · 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,VARIABLE,MICA DIELECTR. Key specifications include reach_length: 0.125 INCHES NOMINAL IN, spread_range: 0.438 INCHES MAXIMUM IN, special_features: 4 INCHES OAL; MATERIAL: METAL; HANDLE MATERIAL: METAL OR PLASTIC; KNURLED OR SERRATED KNOB IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-497-3415, 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
39-310A
NSN: 5120-00-497-3415
FSC: 5120
CAGE: 33164 — K AND D MFG CORP (USA)
SPECIFICATIONS
reach_length0.125 INCHES NOMINAL IN
spread_range0.438 INCHES MAXIMUM IN
special_features4 INCHES OAL; MATERIAL: METAL; HANDLE MATERIAL: METAL OR PLASTIC; KNURLED OR SERRATED KNOB IN
NSN5120-00-497-3415
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,MICA DIELECTR TITLE COMPONENT PN 39-310A MFR CAPACITOR,VARIABLE,MIC
KEY FEATURES
•
REACH LENGTH: 0.125 INCHES NOMINAL IN
•
SPREAD RANGE: 0.438 INCHES MAXIMUM IN
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)
REACH LENGTH0.125 INCHES NOMINAL IN
SPREAD RANGE0.438 INCHES MAXIMUM IN
SPECIAL FEATURES4 INCHES OAL; MATERIAL: METAL; HANDLE MATERIAL: METAL OR PLASTIC; KNURLED OR SERRATED KNOB IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3812Interchangeable
interchangeable cross-reference
interchangeable
1304Interchangeable
interchangeable cross-reference
interchangeable
310AInterchangeable
interchangeable cross-reference
interchangeable
TS2333USMInterchangeable
interchangeable cross-reference
interchangeable
A404776-2NInterchangeable
interchangeable cross-reference
interchangeable
M2136-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 39-310A?
39-310A is a CAPACITOR,VARIABLE,MICA DIELECTR.
What parts can replace 39-310A?
There are 17 known substitutes for 39-310A: 3812, 1304, 310A and 14 more. Substitute compatibility should be verified for your specific system.
Is 39-310A still available?
39-310A 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