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5M256A2 — 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,AIR DIELECTRI. Key specifications include height: 0.531 INCHES NOMINAL IN, diameter: 0.500 INCHES NOMINAL IN, material: STEEL, dial_size: 4-1/2 IN. DIA IN, stem_type: NONRISING, bezel_type: SNAP-ON.

This part is cataloged in the Federal Logistics Information System under NSN 5940-00-834-6421, 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
5M256A2
NSN: 5940-00-834-6421
FSC: 5940
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
height0.531 INCHES NOMINAL IN
diameter0.500 INCHES NOMINAL IN
materialSTEEL
dial_size4-1/2 IN. DIA IN
stem_typeNONRISING
bezel_typeSNAP-ON
body_stylePISTON
cut_length2.000 INCHES NOMINAL IN
point_typeSTANDARD
scale_namePRESSURE
scale_typeMULTIPLE
shank_typeSTRAIGHT
NSN5940-00-834-6421
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 5M256A2 MFR CAPACITOR,VARIABLE,AIR
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 30
103376InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
110891InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5084InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5801InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
XND16X7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
922-0583-060InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5M256A2?
5M256A2 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace 5M256A2?
There are 30 known substitutes for 5M256A2: 103376, 110891, 5084 and 27 more. Substitute compatibility should be verified for your specific system.
Is 5M256A2 still available?
5M256A2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026