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Technical Data Sheet
PartsTable / MRO / M28
M28 ✓ Verified by PartsTable
Electrolux · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: COPPER ALLOY, cartridge: INCLUDED, body_style: BUTTON TYPE, W/THD MTG HOLE/STUD, bore_shape: STRAIGHT BOTH ENDS, body_length: 0.380 INCHES NOMINAL IN, bore_length: 1.400 INCHES NOMINAL THROUGH BORE 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 3110-00-120-4465, 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→ M28
NSN: 3110-00-120-4465
FSC: 3110
CAGE: 89073 — REXARC INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
cartridgeINCLUDED
body_styleBUTTON TYPE, W/THD MTG HOLE/STUD
bore_shapeSTRAIGHT BOTH ENDS
body_length0.380 INCHES NOMINAL IN
bore_length1.400 INCHES NOMINAL THROUGH BORE IN
design_typeINSULATOR W/FLEXIBLE ROD ACTION
handle_typeHANDWHEEL
gross_weight13.0 SHIPPING CONTAINER POUNDS
valve_handleINCLUDED
body_diameter0.463 INCHES NOMINAL IN
bore_diameter0.250 INCHES MINIMUM AND 1.125 INCHES MAXIMUM BOTH ENDS IN
NSN3110-00-120-4465
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M28 · Electrolux ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: UNGROUND
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
STYLE DESIGNATOR: GROOVED RACE SURFACE, BANDED OD
•
MATERIAL: STEEL OVERALL
•
OVERALL OUTSIDE DIAMETER: 1.8856 INCHES MINIMUM AND 1.8956 INCHES MAXIMUM IN
•
BORE SMALLEST DIAMETER: 0.8750 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
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)
SURFACE FINISHUNGROUND
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
STYLE DESIGNATORGROOVED RACE SURFACE, BANDED OD
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER1.8856 INCHES MINIMUM AND 1.8956 INCHES MAXIMUM IN
BORE SMALLEST DIAMETER0.8750 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM IN
OVERALL HEIGHT0.5888 INCHES MINIMUM AND 0.5988 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESBANDED OD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
A-373Interchangeable
interchangeable cross-reference
interchangeable
M2-8Interchangeable
interchangeable cross-reference
interchangeable
252958Interchangeable
interchangeable cross-reference
interchangeable
5110-00-595-8402Interchangeable
Knife,craftsman's
interchangeable
GGG-K-481 TY2CL1ST1Interchangeable
Knife,craftsman's
interchangeable
55D5527Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M28?
M28 is a CAPACITOR,FIXED,MICA DIELECTRIC manufactured by Electrolux. It is classified as a MRO (MRO_GENERAL).
What parts can replace M28?
There are 22 known substitutes for M28: A-373, M2-8, 252958 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M28?
M28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-120-4465. 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