PartsTable
Technical Data Sheet
PartsTable / MRO / 20056-1
20056-1 ✓ Verified by PartsTable
— · 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,PAPER DIELECTRIC. Key specifications include material: PLASTIC OVERALL, body_style: W/MTG BRACKET, TERMINAL(S) ON ONE END, cone_width: 1.7510 INCHES NOMINAL IN, body_length: 1.250 INCHES NOMINAL IN, thread_class: 2B, body_diameter: 2.550 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3088, 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→ 20056-1
NSN: 3110-00-100-3088
FSC: 3110
CAGE: 01957 — ACF INDUSTRIES INC (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
body_styleW/MTG BRACKET, TERMINAL(S) ON ONE END
cone_width1.7510 INCHES NOMINAL IN
body_length1.250 INCHES NOMINAL IN
thread_class2B
body_diameter2.550 INCHES MAXIMUM IN
bore_diameter1.7500 INCHES NOMINAL IN
overall_length1.140 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
terminal_length1.875 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
outside_diameter0.380 INCHES NOMINAL IN
size_designation36
special_featuresLEFT HANDED THREAD
NSN3110-00-100-3088
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 20056-1 · OEM ⚠ 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
•
CONE WIDTH: 1.7510 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.0469 INCHES NOMINAL IN
•
BORE DIAMETER: 1.7500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
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)
CONE WIDTH1.7510 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.0469 INCHES NOMINAL IN
BORE DIAMETER1.7500 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
5356Interchangeable
Shotgun,12 Gage
interchangeable
5356 21.5X13.5X.5 20PPIInterchangeable
interchangeable cross-reference
interchangeable
SIF 20PPIInterchangeable
interchangeable cross-reference
interchangeable
1888298-1Interchangeable
interchangeable cross-reference
interchangeable
UH29240Interchangeable
interchangeable cross-reference
interchangeable
UH33200Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20056-1?
20056-1 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20056-1?
There are 21 known substitutes for 20056-1: 5356, 5356 21.5X13.5X.5 20PPI, SIF 20PPI and 18 more. Substitute compatibility should be verified for your specific system.
Is 20056-1 still available?
20056-1 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: July 2026