PartsTable
Technical Data Sheet
A-3874 ✓ 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: STEEL OVERALL, body_width: 150.0 MILLIMETERS NOMINAL MM, cone_width: 0.7500 INCHES NOMINAL IN, body_height: 75.0 MILLIMETERS NOMINAL MM, body_length: 150.0 MILLIMETERS NOMINAL MM, bore_diameter: 1.2500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2169, 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 A-3874
NSN: 3110-00-198-2169
FSC: 3110
CAGE: 96787 — STEWART AVIONICS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width150.0 MILLIMETERS NOMINAL MM
cone_width0.7500 INCHES NOMINAL IN
body_height75.0 MILLIMETERS NOMINAL MM
body_length150.0 MILLIMETERS NOMINAL MM
bore_diameter1.2500 INCHES NOMINAL IN
hole_diameter0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
inclosure_typeENCASED
overall_height97.0 MILLIMETERS NOMINAL MM
overall_length181.6 MILLIMETERS NOMINAL MM
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter0.594 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
NSN3110-00-198-2169
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-3874 · 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
BORE DIAMETER: 1.2500 INCHES NOMINAL IN
CONE WIDTH: 0.7500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: NORMAL ANGLE
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER1.2500 INCHES NOMINAL IN
CONE WIDTH0.7500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SPECIAL FEATURES0.1400 IN. BY 15 DEG BACK-FACE CORNER RADIUS IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
15-123Interchangeable
interchangeable cross-reference
interchangeable
QC8-2P0RM5PCTInterchangeable
interchangeable cross-reference
interchangeable
80785-1Interchangeable
interchangeable cross-reference
interchangeable
0032-74Interchangeable
interchangeable cross-reference
interchangeable
00032-0074Interchangeable
interchangeable cross-reference
interchangeable
70-4530Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-3874?
A-3874 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A-3874?
There are 33 known substitutes for A-3874: 15-123, QC8-2P0RM5PCT, 80785-1 and 30 more. Substitute compatibility should be verified for your specific system.
Is A-3874 still available?
A-3874 is currently cancelled.
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