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Technical Data Sheet
PartsTable / COMPONENT / AN3021-6
AN3021-6 ✓ 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,FIXED,MICA DIELECTRIC. Key specifications include body_style: BUSHING MOUNT, body_width: 0.641 INCHES MAXIMUM IN, body_length: 1.141 INCHES MAXIMUM IN, thread_class: 2A A, overall_width: 0.641 INCHES MAXIMUM IN, actuator_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-644-2981, 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
AN3021-6
NSN: 5930-00-644-2981
FSC: 5930
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
body_styleBUSHING MOUNT
body_width0.641 INCHES MAXIMUM IN
body_length1.141 INCHES MAXIMUM IN
thread_class2A A
overall_width0.641 INCHES MAXIMUM IN
actuator_styleROUND
bushing_length0.450 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_height2.288 INCHES MAXIMUM IN
overall_length1.141 INCHES MAXIMUM IN
actuator_height0.660 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN
mounting_methodTHREADED BUSHING
NSN5930-00-644-2981
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN AN3021-6 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 3 SCREW
•
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY, TWO POSITIONS MAINTAINED SINGLE SWITCH UNIT
•
SWITCH ACTUATOR QUANTITY: 1
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)
TERMINAL TYPE AND QUANTITY3 SCREW
NONPILE-UP CONTACT ARRANGEMENT1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY, TWO POSITIONS MAINTAINED SINGLE SWITCH UNIT
SWITCH ACTUATOR QUANTITY1
SPECIAL FEATURESEQUIPPED W/JUMPER TO CONTROL CIRCUIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
AN3027-8Interchangeable
interchangeable cross-reference
interchangeable
A3169Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-6745Interchangeable
interchangeable cross-reference
interchangeable
DMS 78001BInterchangeable
interchangeable cross-reference
interchangeable
MS25028-3Interchangeable
interchangeable cross-reference
interchangeable
M2480-840821Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN3021-6?
AN3021-6 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace AN3021-6?
There are 15 known substitutes for AN3021-6: AN3027-8, A3169, MIL-S-6745 and 12 more. Substitute compatibility should be verified for your specific system.
Is AN3021-6 still available?
AN3021-6 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