PartsTable
Technical Data Sheet
A3877 ✓ Verified by PartsTable
· TAPERED BEARING
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

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include color: WHITE CORE CONDUCTOR SINGLE CONDUCTOR, material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR, body_width: 1.375 INCHES NOMINAL IN, seat_angle: 45.0 DEGREES FIRST END, body_height: 1.375 INCHES NOMINAL IN, body_length: 1.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4386, 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
A3877
NSN: 3110-00-142-4386
FSC: 3110
CAGE: 96787 — STEWART AVIONICS INC (USA)
SPECIFICATIONS
colorWHITE CORE CONDUCTOR SINGLE CONDUCTOR
materialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
body_width1.375 INCHES NOMINAL IN
seat_angle45.0 DEGREES FIRST END
body_height1.375 INCHES NOMINAL IN
body_length1.875 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class2A FIRST END A
overall_width0.5625 INCHES NOMINAL IN
conductor_formSTRANDED LOCATION NOT OTHERWISE SPECIFIED
inclosure_typeOPEN
connection_typeTHREADED EXTERNAL TUBE FIRST END
NSN3110-00-142-4386
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A3877 · 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
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
OUTSIDE DIAMETER: 1.9380 INCHES NOMINAL IN
BACKFACE CORNER RADIUS: 0.0460 INCHES NOMINAL IN
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: NORMAL ANGLE
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL WIDTH0.5625 INCHES NOMINAL IN
OUTSIDE DIAMETER1.9380 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0460 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
21246Interchangeable
interchangeable cross-reference
interchangeable
54A50A83Interchangeable
interchangeable cross-reference
interchangeable
M76-25606Interchangeable
interchangeable cross-reference
interchangeable
A05219Interchangeable
interchangeable cross-reference
interchangeable
70A3210212-480Interchangeable
interchangeable cross-reference
interchangeable
5897-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3877?
A3877 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace A3877?
There are 27 known substitutes for A3877: 21246, 54A50A83, M76-25606 and 24 more. Substitute compatibility should be verified for your specific system.
Is A3877 still available?
A3877 is currently cancelled.
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