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Technical Data Sheet
PartsTable / MRO / 46018
46018 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

CAPACITOR,VARIABLE,CERAMIC DIELE. Key specifications include body_style: ROTARY, body_width: 0.531 INCHES NOMINAL IN, body_height: 0.234 INCHES NOMINAL IN, body_length: 0.750 INCHES NOMINAL IN, inclosure_type: ENCAPSULATED, special_features: WEAPON SYSTEM ESSENTIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-478-3190, 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→ 46018
NSN: 5310-00-478-3190
FSC: 5310
CAGE: 19494 — SEYER INDUSTRIES, INC. DBA SEYER INDUSTRIES INC (USA)
SPECIFICATIONS
body_styleROTARY
body_width0.531 INCHES NOMINAL IN
body_height0.234 INCHES NOMINAL IN
body_length0.750 INCHES NOMINAL IN
inclosure_typeENCAPSULATED
special_featuresWEAPON SYSTEM ESSENTIAL
end_item_identificationVIRGINIA CLASS CGN (41), WASP CLASS LHD, STURGEON CLASS SSN (637), LOS ANGELES CLASS SSN (688), FORRETAL CLASS CV, TICONDEROGA CLASS CG (47), NIMITZ CLASS CVN, KIDD CLASS DDG, OLIVER PERRY CLASS FFG
terminal_type_and_quantity2 TAB, SOLDER LUG
criticality_code_justificationFEAT
capacitance_range_in_picofarads+8.0 TO 50.0 SINGLE SECTION
unthreaded_mounting_hole_diameter0.124 INCHES NOMINAL IN
nonderated_voltage_rating_and_type350.0 DC CONTINUOUS SINGLE SECTION
NSN5310-00-478-3190
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 46018 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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 4
0130-0002Interchangeable
interchangeable cross-reference
interchangeable
281-013Interchangeable
interchangeable cross-reference
interchangeable
460Interchangeable
interchangeable cross-reference
interchangeable
46018Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 46018?
46018 is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 46018?
There are 4 known substitutes for 46018: 0130-0002, 281-013, 460 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 46018?
46018 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-478-3190. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026