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M403 — COIL,RADIO FREQUENCY

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

M403: COIL,RADIO FREQUENCY.

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_width: 0.270 INCHES MAXIMUM IN, bore_shape: STRAIGHT, bore_diameter: 50.00 MILLIMETERS NOMINAL MM, overall_width: 20.0 MILLIMETERS NOMINAL MM, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-417-5207, 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
M403
NSN: 3110-00-417-5207
NIINs: 004175207, 013306649
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width0.270 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
bore_diameter50.00 MILLIMETERS NOMINAL MM
overall_width20.0 MILLIMETERS NOMINAL MM
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
inclosure_typeFULLY INCLOSED
load_directionRADIAL
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
core_constructionPOWDERED ALL COMPONENTS
body_outside_diameter0.600 INCHES MAXIMUM IN
NSN3110-00-417-5207
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M403 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 90.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH20.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER90.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.3
BORE DIAMETER50.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 2
1210XR3AReference document
Same NSN cross-reference
Reference document — Secondary reference
302-1035P3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M403?
M403 is a COIL,RADIO FREQUENCY.
What parts can replace M403?
There are 2 known substitutes for M403: 1210XR3A, 302-1035P3. Substitute compatibility should be verified for your specific system.
What is the NSN for M403?
M403 is cataloged in the U.S. Government catalog under NSN 3110-00-417-5207. 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.