PartsTable
Technical Data Sheet
PartsTable / MRO / 503975
503975 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: STEEL OVERALL, body_width: 5.740 INCHES NOMINAL IN, body_height: 5.740 INCHES NOMINAL IN, body_length: 3.250 INCHES NOMINAL IN, body_material: METAL, overall_width: 6.840 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0532, 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→ 503975
NSN: 3110-00-100-0532
FSC: 3110
CAGE: 23705 — FRUEHAUF CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width5.740 INCHES NOMINAL IN
body_height5.740 INCHES NOMINAL IN
body_length3.250 INCHES NOMINAL IN
body_materialMETAL
overall_width6.840 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_length9.150 INCHES NOMINAL IN
outside_diameter2.8750 INCHES NOMINAL IN
style_designatorTUNEABLE
features_providedTUNABLE
backface_corner_radius0.0625 INCHES NOMINAL IN
NSN3110-00-100-0532
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 503975 · 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
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.0625 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.8750 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.5000 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.0625 INCHES NOMINAL IN
OUTSIDE DIAMETER2.8750 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
14979Interchangeable
interchangeable cross-reference
interchangeable
99114979Interchangeable
interchangeable cross-reference
interchangeable
101458Interchangeable
interchangeable cross-reference
interchangeable
8369BInterchangeable
interchangeable cross-reference
interchangeable
00170-0071Interchangeable
interchangeable cross-reference
interchangeable
18520Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503975?
503975 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 503975?
There are 18 known substitutes for 503975: 14979, 99114979, 101458 and 15 more. Substitute compatibility should be verified for your specific system.
Is 503975 still available?
503975 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026