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B74.2 C46MR 3X1/4X1/4 — Technical Data Sheet

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— · 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 diameter: 0.250 INCHES NOMINAL IN, wheel_style: STRAIGHT, usage_design: METALWORKING, hole_diameter: 0.250 INCHES NOMINAL IN, wheel_diameter: 3.000 INCHES NOMINAL IN, mounting_method: ARBOR HOLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3460-01-007-5195, 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
B74.2 C46MR 3X1/4X1/4
NSN: 3460-01-007-5195
FSC: 3460
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
wheel_styleSTRAIGHT
usage_designMETALWORKING
hole_diameter0.250 INCHES NOMINAL IN
wheel_diameter3.000 INCHES NOMINAL IN
mounting_methodARBOR HOLE
special_featuresMEDIUM GRIT
overall_thickness0.250 INCHES NOMINAL IN
maximum_speed_rating_in_rpm7000.0
nondefinitive_spec/std_data1 TYPE
mounting_opening_shape_styleROUND
departure_from_cited_documentAS MODIFIED BY ARBOR HOLE SIZE
NSN3460-01-007-5195
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,MICA DIELECTR TITLE COMPONENT PN B74.2 C46MR 3X1/4X1/4 MFR CAPACITOR,VARIABLE,MIC
KEY FEATURES
•
MAXIMUM SPEED RATING IN RPM: 7000.0
•
MOUNTING OPENING SHAPE STYLE: ROUND
•
MOUNTING METHOD: ARBOR HOLE
•
WHEEL DIAMETER: 3.000 INCHES NOMINAL IN
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY ARBOR HOLE SIZE
•
WHEEL STYLE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
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
MAXIMUM SPEED RATING IN RPM7000.0
MOUNTING OPENING SHAPE STYLEROUND
MOUNTING METHODARBOR HOLE
WHEEL DIAMETER3.000 INCHES NOMINAL IN
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY ARBOR HOLE SIZE
SPECIAL FEATURESMEDIUM GRIT
WHEEL STYLESTRAIGHT
NONDEFINITIVE SPEC/STD DATA1 TYPE
USAGE DESIGNMETALWORKING
HOLE DIAMETER0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
FFB171InterchangeableGOVERNMENT REGISTRY
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5X48InterchangeableGOVERNMENT REGISTRY
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22IR35InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
304MInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PD52414InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GME50401InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B74.2 C46MR 3X1/4X1/4?
B74.2 C46MR 3X1/4X1/4 is a CAPACITOR,VARIABLE,MICA DIELECTR.
What parts can replace B74.2 C46MR 3X1/4X1/4?
There are 8 known substitutes for B74.2 C46MR 3X1/4X1/4: FFB171, 5X48, 22IR35 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B74.2 C46MR 3X1/4X1/4?
B74.2 C46MR 3X1/4X1/4 is cataloged in the Federal Logistics Information System under NSN 3460-01-007-5195. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026