PartsTable
Technical Data Sheet
PartsTable / MRO / 18-143
18-143 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: PLASTIC ENCLOSURE, base_style: INTERMEDIATE SCREW, body_width: 2.250 INCHES MAXIMUM IN, bulb_style: T (TUBULAR), cone_width: 1.1875 INCHES NOMINAL IN, body_height: 2.000 INCHES MAXIMUM 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 3110-00-100-3574, 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→ 18-143
NSN: 3110-00-100-3574
FSC: 3110
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
base_styleINTERMEDIATE SCREW
body_width2.250 INCHES MAXIMUM IN
bulb_styleT (TUBULAR)
cone_width1.1875 INCHES NOMINAL IN
body_height2.000 INCHES MAXIMUM IN
body_length2.500 INCHES MAXIMUM IN
bore_diameter2.6875 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_length0.140 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
voltage_rating120.000 VOLTS NOMINAL
wattage_rating20.000 WATTS
NSN3110-00-100-3574
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 18-143 · 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 CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
BORE DIAMETER: 2.6875 INCHES NOMINAL IN
•
CONE WIDTH: 1.1875 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
BORE DIAMETER2.6875 INCHES NOMINAL IN
CONE WIDTH1.1875 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
79295Interchangeable
interchangeable cross-reference
interchangeable
159592Interchangeable
interchangeable cross-reference
interchangeable
FFS92TYPE3STYLE9CInterchangeable
interchangeable cross-reference
interchangeable
15764Interchangeable
interchangeable cross-reference
interchangeable
13018-26-50-0035Interchangeable
interchangeable cross-reference
interchangeable
D19J10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18-143?
18-143 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 18-143?
There are 26 known substitutes for 18-143: 79295, 159592, FFS92TYPE3STYLE9C and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18-143?
18-143 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3574. 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