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401-03 — CAPACITOR,FIXED,CERAMIC DIELECTR

✓ Government record, cited
Melissa & Doug · MRO · MRO_GENERAL
PRODUCT OVERVIEW

401-03: CAPACITOR,FIXED,CERAMIC DIELECTR.

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include brake: NOT INCLUDED, width: 20.000 INCHES NOMINAL IN, length: 46.000 INCHES NOMINAL IN, material: NICKEL ALLOY SEAT, tire_size: 3.50-6, tire_type: SOLID RUBBER. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-8102, 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→ 401-03
NSN: 3110-00-156-8102
NIINs: 001568102, 004465219, 006078447, 006369263, 008252624, 011655889, 011665376, 012517704, 012607431, 012715064, 012833667, 012998463, 013192758, 013470829, 014200475, 015397194, 015606213, 016828736, 017253980
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 31974 — HOFFMAN/NEW YORKER, INC. (USA)
SPECIFICATIONS
brakeNOT INCLUDED
width20.000 INCHES NOMINAL IN
length46.000 INCHES NOMINAL IN
materialNICKEL ALLOY SEAT
tire_size3.50-6
tire_typeSOLID RUBBER
body_styleSTRAIGHT THRU
bore_shapeSTRAIGHT
brake_drumNOT INCLUDED
bulb_length12.000 INCHES NOMINAL IN
temp_rating100.0 FAHRENHEIT NOMINAL DEGF
inside_depth0.500 INCHES NOMINAL IN
NSN3110-00-156-8102
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 401-03 · Melissa & Doug ⚠ 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
•
OUTER RING WIDTH: 17.00 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
•
OVERALL OUTSIDE DIAMETER: 2.4404 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
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
OUTER RING WIDTH17.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
OVERALL WIDTH1.3700 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.4404 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
BORE DIAMETER1.0000 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN
MATERIALSTEEL OUTER RING
SUBSTITUTES & CROSS-REFERENCES 6
SMN100WAReference document
Same NSN cross-reference
Reference document — Secondary reference
SMN100KAReference document
Same NSN cross-reference
Reference document — Secondary reference
SMN100KReference document
Same NSN cross-reference
Reference document — Secondary reference
N193STReference document
Same NSN cross-reference
Reference document — Secondary reference
SMN100AReference document
Same NSN cross-reference
Reference document — Secondary reference
SMN100Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 401-03?
401-03 is a CAPACITOR,FIXED,CERAMIC DIELECTR manufactured by Melissa & Doug. It is classified as a MRO (MRO_GENERAL).
What parts can replace 401-03?
There are 6 known substitutes for 401-03: SMN100WA, SMN100KA, SMN100K and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 401-03?
401-03 is cataloged in the U.S. Government catalog under NSN 3110-00-156-8102. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.