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Technical Data Sheet
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17939-1 — Technical Data Sheet

✓ 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

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include inside_length: 0.812 INCHES NOMINAL IN, overall_width: 1.812 INCHES NOMINAL IN, terminal_type: SCREW, overall_length: 1.250 INCHES NOMINAL IN, inside_thickness: 0.250 INCHES NOMINAL IN, mounting_facility: THREADED HOLES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-100-3113, 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
17939-1
NSN: 3110-00-100-3113
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
inside_length0.812 INCHES NOMINAL IN
overall_width1.812 INCHES NOMINAL IN
terminal_typeSCREW
overall_length1.250 INCHES NOMINAL IN
inside_thickness0.250 INCHES NOMINAL IN
mounting_facilityTHREADED HOLES
overall_thickness3.188 INCHES NOMINAL IN
terminal_quantity1
brush_spring_adjustabilityNONADJUSTABLE
mounting_facility_quantity2
brush_quantity_accommodated_per_holder2
brush_pressure_spring_type_accommodatedSPIRAL TORSION
NSN3110-00-100-3113
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 17939-1 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
C46000-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9007486InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CARPETDETERGERInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D3-425MD1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3-979InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
705318InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 17939-1?
17939-1 is a HOLDER,ELECTRICAL CONTACT BRUSH.
What parts can replace 17939-1?
There are 19 known substitutes for 17939-1: C46000-00, 9007486, CARPETDETERGER and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 17939-1?
17939-1 is cataloged in the Federal Logistics Information System under NSN 3110-00-100-3113. 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: September 2026