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FB42 ✓ 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,PLASTIC DIELECTR. Key specifications include phase: SINGLE, lamp_type: MERCURY VAPOR, current_type: AC, voltage_rating: 120.0 VOLTS NOMINAL, frequency_rating: 60.0 HERTZ NOMINAL, features_provided: NONDETACHABLE HANDLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-251-5235, 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
FB42
NSN: 6240-00-251-5235
FSC: 6240
CAGE: K6466 — SLOANE COMPONENTS (GBR)
SPECIFICATIONS
phaseSINGLE
lamp_typeMERCURY VAPOR
current_typeAC
voltage_rating120.0 VOLTS NOMINAL
frequency_rating60.0 HERTZ NOMINAL
features_providedNONDETACHABLE HANDLE
diazo_process_typeVAPOR SPRAY
roll_maximum_width42.000 INCHES IN
printing_lamp_quantity1
operating_speed_at_rated_capacity30.0 FEET PER MINUTE FT
part_name_assigned_by_controlling_agencyFIRE BROOM
NSN6240-00-251-5235
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN FB42 MFR CAPACITOR,FIXED,PLASTI
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 5
FB42Interchangeable
interchangeable cross-reference
interchangeable
FHP239Interchangeable
interchangeable cross-reference
interchangeable
3420Interchangeable
interchangeable cross-reference
interchangeable
PT5342-1Interchangeable
interchangeable cross-reference
interchangeable
40-621-109-83Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FB42?
FB42 is a CAPACITOR,FIXED,PLASTIC DIELECTR.
What parts can replace FB42?
There are 5 known substitutes for FB42: FB42, FHP239, 3420 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FB42?
FB42 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-251-5235. 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