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7421-40 — 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,FIXED,PAPER DIELECTRIC. Key specifications include shape: RECTANGULAR, length: 36.500 INCHES NOMINAL IN, material: PLASTIC POLYAMIDE NYLON COVER, tube_type: DIODE, bore_shape: STRAIGHT, flow_style: TWO WAY TWO PORT 360 DEGREE PLUG TURN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4220-00-431-6517, 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
7421-40
NSN: 4220-00-431-6517
FSC: 4220
CAGE: 94120 — AQUALUNG USA, INC (USA)
SPECIFICATIONS
shapeRECTANGULAR
length36.500 INCHES NOMINAL IN
materialPLASTIC POLYAMIDE NYLON COVER
tube_typeDIODE
bore_shapeSTRAIGHT
flow_styleTWO WAY TWO PORT 360 DEGREE PLUG TURN
chain_length9.000 INCHES NOMINAL IN
constructionLAMINATED
groove_width0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
usage_designDOOR
bore_diameter30.0 MILLIMETERS NOMINAL MM
grommet_styleROUND
NSN4220-00-431-6517
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 7421-40 MFR CAPACITOR,FIXED,PAPER
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 24
IS1025InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7244InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A6740-75000InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8A28546InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
40185InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M2224InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7421-40?
7421-40 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 7421-40?
There are 24 known substitutes for 7421-40: IS1025, 7244, A6740-75000 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7421-40?
7421-40 is cataloged in the Federal Logistics Information System under NSN 4220-00-431-6517. 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: September 2026