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Technical Data Sheet
PartsTable / COMPONENT / WAS-0619
WAS-0619 ✓ 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

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 2.8170 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, keyway_radius: 0.1562 INCHES NOMINAL IN, outside_diameter: 4.2500 INCHES NOMINAL IN, style_designator: ROUND W/KEYWAYS, overall_thickness: 0.1860 INCHES NOMINAL 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 3120-00-661-4741, 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
WAS-0619
NSN: 3120-00-661-4741
FSC: 3120
CAGE: 31042 — C M P CORPORATION (USA)
SPECIFICATIONS
diameter2.8170 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
keyway_radius0.1562 INCHES NOMINAL IN
keyway_quantity1
outside_diameter4.2500 INCHES NOMINAL IN
style_designatorROUND W/KEYWAYS
overall_thickness0.1860 INCHES NOMINAL IN
washer_keyway_depth0.1562 INCHES NOMINAL IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-661-4741
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: WAS-0619 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
WASHER KEYWAY DEPTH: 0.1562 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND W/KEYWAYS
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL THICKNESS: 0.1860 INCHES NOMINAL IN
•
DIAMETER: 2.8170 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.2500 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE ALL CORNERS
WASHER KEYWAY DEPTH0.1562 INCHES NOMINAL IN
STYLE DESIGNATORROUND W/KEYWAYS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL THICKNESS0.1860 INCHES NOMINAL IN
DIAMETER2.8170 INCHES NOMINAL IN
OUTSIDE DIAMETER4.2500 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
KEYWAY QUANTITY1
KEYWAY RADIUS0.1562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
SA-1734/UInterchangeable
interchangeable cross-reference
interchangeable
145518-1Interchangeable
interchangeable cross-reference
interchangeable
12530Interchangeable
interchangeable cross-reference
interchangeable
21015Interchangeable
interchangeable cross-reference
interchangeable
668959Interchangeable
interchangeable cross-reference
interchangeable
5906Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WAS-0619?
WAS-0619 is a BEARING,WASHER,THRUST.
What parts can replace WAS-0619?
There are 24 known substitutes for WAS-0619: SA-1734/U, 145518-1, 12530 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WAS-0619?
WAS-0619 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-661-4741. 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: July 2026