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51848 — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

51848: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, unit_type: TRANSMISSION LINE, cone_width: 0.8540 INCHES NOMINAL IN, design_type: UNIDIRECTIONAL, corner_shape: SQUARE ALL CORNERS, usage_design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-142-4358, 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
51848
NSN: 3110-00-142-4358
NIINs: 001424358, 005956482, 007893788, 010219394, 011808603
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
unit_typeTRANSMISSION LINE
cone_width0.8540 INCHES NOMINAL IN
design_typeUNIDIRECTIONAL
corner_shapeSQUARE ALL CORNERS
usage_designMAIN LINE AND SECONDARY LINE TERMINAL FITTING
bore_diameter1.8125 INCHES NOMINAL IN
overall_width1.500 INCHES NOMINAL IN
overall_height2.749 INCHES NOMINAL IN
overall_length5.468 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
surface_treatmentANODIZE OVERALL
NSN3110-00-142-4358
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 51848 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.0938 INCHES NOMINAL IN
•
CONE WIDTH: 0.8540 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 1.8125 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
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
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.0938 INCHES NOMINAL IN
CONE WIDTH0.8540 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.8125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
252957Reference document
Same NSN cross-reference
Reference document — Secondary reference
JD7231Reference document
Same NSN cross-reference
Reference document — Secondary reference
71470Reference document
Same NSN cross-reference
Reference document — Secondary reference
81757Reference document
Same NSN cross-reference
Reference document — Secondary reference
2B172Reference document
Same NSN cross-reference
Reference document — Secondary reference
46504RReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51848?
51848 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace 51848?
There are 9 known substitutes for 51848: 252957, JD7231, 71470 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51848?
51848 is cataloged in the U.S. Government catalog under NSN 3110-00-142-4358. 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.