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Technical Data Sheet
PartsTable / COMPONENT / MIL-F-18930
MIL-F-18930 ✓ 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,AIR DIELECTRI. Key specifications include flange: PROVIDED, material: COPPER ALLOY HANDLE, pail_hook: NOT PROVIDED, flange_type: FIXED, handle_type: CROSS, seat_design: COMPRESSION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4510-00-215-8019, 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
MIL-F-18930
NSN: 4510-00-215-8019
FSC: 4510
CAGE: 80850 — INTERLINE BRANDS, INC. DBA J. A. SEXAUER (USA)
SPECIFICATIONS
flangePROVIDED
materialCOPPER ALLOY HANDLE
pail_hookNOT PROVIDED
flange_typeFIXED
handle_typeCROSS
seat_designCOMPRESSION
coating_methodPLATED BODY
locking_deviceNOT INCLUDED
marking/symbolMARKED C
surface_finishROUGH
gooseneck_spoutNOT PROVIDED
operation_methodHANDLE
NSN4510-00-215-8019
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN MIL-F-18930 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
REFERENCE MARKING: H AND C
•
MATERIAL: STEEL HANDLE
•
SURFACE TREATMENT: CHROMIUM HANDLE
•
MOUNTING METHOD: TOP SCREW
•
FEATURES PROVIDED: MARKING PROVISION
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)
REFERENCE MARKINGH AND C
MATERIALSTEEL HANDLE
SURFACE TREATMENTCHROMIUM HANDLE
SPECIAL FEATURESSOLD BY PAIR
MOUNTING METHODTOP SCREW
FEATURES PROVIDEDMARKING PROVISION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
5521Interchangeable
interchangeable cross-reference
interchangeable
166D2Interchangeable
interchangeable cross-reference
interchangeable
BT5521Interchangeable
interchangeable cross-reference
interchangeable
04603Interchangeable
interchangeable cross-reference
interchangeable
251DCInterchangeable
interchangeable cross-reference
interchangeable
1001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-F-18930?
MIL-F-18930 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace MIL-F-18930?
There are 27 known substitutes for MIL-F-18930: 5521, 166D2, BT5521 and 24 more. Substitute compatibility should be verified for your specific system.
Is MIL-F-18930 still available?
MIL-F-18930 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