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Technical Data Sheet
PartsTable / MRO / D46405
D46405 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: STEEL OVERALL, anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 1.192 INCHES NOMINAL IN, corner_shape: SQUARE OUTSIDE RIGHT CORNER, body_diameter: 0.776 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-031-2180, 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→ D46405
NSN: 3120-00-031-2180
FSC: 3120
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.192 INCHES NOMINAL IN
corner_shapeSQUARE OUTSIDE RIGHT CORNER
body_diameter0.776 INCHES NOMINAL IN
overall_length0.7500 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
hardness_rating55.0 ROCKWELL C MINIMUM OVERALL
terminal_length2.500 INCHES MINIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
features_providedCASEHARDENED
NSN3120-00-031-2180
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: D46405 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HARDNESS RATING: 55.0 ROCKWELL C MINIMUM OVERALL
•
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
•
SURFACE FINISH: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
FEATURES PROVIDED: CASEHARDENED
•
BODY INSIDE DIAMETER: 1.7590 INCHES MINIMUM AND 1.7620 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 2.1240 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN
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)
HARDNESS RATING55.0 ROCKWELL C MINIMUM OVERALL
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
FEATURES PROVIDEDCASEHARDENED
BODY INSIDE DIAMETER1.7590 INCHES MINIMUM AND 1.7620 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.1240 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN
OVERALL LENGTH0.7500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
D46405Interchangeable
interchangeable cross-reference
interchangeable
159-48830-01Interchangeable
interchangeable cross-reference
interchangeable
39DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D46405?
D46405 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace D46405?
There are 3 known substitutes for D46405: D46405, 159-48830-01, 39D. Substitute compatibility should be verified for your specific system.
What is the NSN for D46405?
D46405 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-031-2180. 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