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Technical Data Sheet
PartsTable / COMPONENT / 42679-1-020
42679-1-020 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: OIL LUBRICATING LUBRICATION, slot_width: 0.4219 INCHES MINIMUM AND 0.4531 INCHES MAXIMUM FIRST IN, slot_length: 0.5000 INCHES MINIMUM AND 0.5312 INCHES MAXIMUM FIRST IN, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.1875 INCHES NOMINAL FIRST IN, overall_length: 1.9700 INCHES MINIMUM AND 1.9800 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-339-5645, 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
42679-1-020
NSN: 3120-00-339-5645
FSC: 3120
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
slot_width0.4219 INCHES MINIMUM AND 0.4531 INCHES MAXIMUM FIRST IN
slot_length0.5000 INCHES MINIMUM AND 0.5312 INCHES MAXIMUM FIRST IN
corner_shapeSQUARE ALL CORNERS
hole_diameter0.1875 INCHES NOMINAL FIRST IN
overall_length1.9700 INCHES MINIMUM AND 1.9800 INCHES MAXIMUM IN
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
locking_lug_width0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN
surface_treatmentTIN OVERALL
hole_spacing_angle180.0 DEGREES NOMINAL
locking_lug_height0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
locking_lug_length0.2187 INCHES NOMINAL IN
NSN3120-00-339-5645
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 42679-1-020 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
HOLE DIAMETER: 0.1875 INCHES NOMINAL FIRST IN
•
MATERIAL: COPPER ALLOY INNER LAYER
•
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING: 0.9780 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM FIRST IN
•
HOLE SPACING ANGLE: 180.0 DEGREES NOMINAL
•
DISTANCE FROM LUG END TO END OF BEARING: 0.3960 INCHES MINIMUM AND 0.4035 INCHES MAXIMUM IN
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 1 HOLE AND 2 SLOT
•
LOCKING LUG WIDTH: 0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
HOLE DIAMETER0.1875 INCHES NOMINAL FIRST IN
MATERIALCOPPER ALLOY INNER LAYER
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING0.9780 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM FIRST IN
HOLE SPACING ANGLE180.0 DEGREES NOMINAL
DISTANCE FROM LUG END TO END OF BEARING0.3960 INCHES MINIMUM AND 0.4035 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE AND 2 SLOT
LOCKING LUG WIDTH0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN
LOCKING LUG LENGTH0.2187 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.2850 INCHES MINIMUM AND 3.3100 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
203672Interchangeable
interchangeable cross-reference
interchangeable
H60-126Interchangeable
interchangeable cross-reference
interchangeable
RB10-42214-7PInterchangeable
interchangeable cross-reference
interchangeable
214A503Interchangeable
interchangeable cross-reference
interchangeable
2-03672 PMInterchangeable
interchangeable cross-reference
interchangeable
705-0001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42679-1-020?
42679-1-020 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 42679-1-020?
There are 8 known substitutes for 42679-1-020: 203672, H60-126, RB10-42214-7P and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42679-1-020?
42679-1-020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-339-5645. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026