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K20973 ✓ 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 BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: BERYLLIUM COPPER (USE CUB000) TERMINAL, cone_width: 1.4240 INCHES NOMINAL IN, body_length: 10.500 INCHES NOMINAL IN, design_type: LOOP ENGAGING, adjustability: ADJUSTABLE, body_diameter: 1.125 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 3120-00-887-9171, 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
K20973
NSN: 3120-00-887-9171
FSC: 3120
CAGE: 07639 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialBERYLLIUM COPPER (USE CUB000) TERMINAL
cone_width1.4240 INCHES NOMINAL IN
body_length10.500 INCHES NOMINAL IN
design_typeLOOP ENGAGING
adjustabilityADJUSTABLE
body_diameter1.125 INCHES NOMINAL IN
bore_diameter2.000 INCHES NOMINAL IN
hole_diameter0.136 INCHES NOMINAL IN
hole_quantity3
largest_width0.156 INCHES SINGLE END IN
mounting_typeTRACK
overall_width4.250 INCHES NOMINAL IN
NSN3120-00-887-9171
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: K20973 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
566Interchangeable
interchangeable cross-reference
interchangeable
2047365Interchangeable
interchangeable cross-reference
interchangeable
K566Interchangeable
interchangeable cross-reference
interchangeable
MA1610Interchangeable
interchangeable cross-reference
interchangeable
425074Interchangeable
interchangeable cross-reference
interchangeable
108Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K20973?
K20973 is a BUSHING,SLEEVE.
What parts can replace K20973?
There are 13 known substitutes for K20973: 566, 2047365, K566 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K20973?
K20973 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-887-9171. 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