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Technical Data Sheet
PartsTable / MRO / 056473
056473 ✓ Verified by PartsTable
Legrand · MRO · MRO_GENERAL
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,MICA DIELECTRIC. Key specifications include material: NICKEL ALLOY, blade_type: BACKWARD CURVE, hub_length: 1.647 INCHES MINIMUM AND 1.667 INCHES MAXIMUM IN, design_type: SINGLE WIDTH, keyway_type: STRAIGHT, hub_location: BACK SIDE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-574-6499, 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→ 056473
NSN: 4320-00-574-6499
FSC: 4320
CAGE: 96046 — CRANE PUMPS & SYSTEMS PFT CORP DIV CRANE PUMPS & SYSTEM PFT CORP. (USA)
SPECIFICATIONS
materialNICKEL ALLOY
blade_typeBACKWARD CURVE
hub_length1.647 INCHES MINIMUM AND 1.667 INCHES MAXIMUM IN
design_typeSINGLE WIDTH
keyway_typeSTRAIGHT
hub_locationBACK SIDE
hub_quantity2
keyway_depth0.115 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
keyway_width0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
keyway_length1.647 INCHES MINIMUM AND 1.667 INCHES MAXIMUM IN
overall_width3.895 INCHES MINIMUM AND 3.905 INCHES MAXIMUM IN
blade_quantity2
NSN4320-00-574-6499
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN 056473 MFR Legrand CAPACITOR,FIXED,MICA D
KEY FEATURES
•
KEYWAY QUANTITY: 1
•
KEYWAY LENGTH: 1.647 INCHES MINIMUM AND 1.667 INCHES MAXIMUM IN
•
BLADE QUANTITY: 2
•
MATERIAL: NICKEL ALLOY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288,COMP E FED SPEC SINGLE MATERIAL RESPONSE
•
HUB LENGTH: 1.647 INCHES MINIMUM AND 1.667 INCHES MAXIMUM IN
•
HUB BORE DIAMETER: 1.251 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN
•
ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE
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)
KEYWAY QUANTITY1
KEYWAY LENGTH1.647 INCHES MINIMUM AND 1.667 INCHES MAXIMUM IN
BLADE QUANTITY2
MATERIALNICKEL ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288,COMP E FED SPEC SINGLE MATERIAL RESPONSE
HUB LENGTH1.647 INCHES MINIMUM AND 1.667 INCHES MAXIMUM IN
HUB BORE DIAMETER1.251 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN
ROTATION DIRECTION FOR WHICH DESIGNEDCLOCKWISE
KEYWAY DEPTH0.115 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
HUB LOCATIONBACK SIDE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
0556N4Interchangeable
interchangeable cross-reference
interchangeable
134602Interchangeable
interchangeable cross-reference
interchangeable
470752Interchangeable
interchangeable cross-reference
interchangeable
E2909PC74Interchangeable
interchangeable cross-reference
interchangeable
0048721Interchangeable
interchangeable cross-reference
interchangeable
3220987Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 056473?
056473 is a CAPACITOR,FIXED,MICA DIELECTRIC manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What parts can replace 056473?
There are 9 known substitutes for 056473: 0556N4, 134602, 470752 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 056473?
056473 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-574-6499. 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.
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Last verified: July 2026