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21303-1013 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

21303-1013: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, material: STEEL OUTER RING, blade_type: CUTTING, bore_shape: STRAIGHT, bore_diameter: 2.3619 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN, overall_width: 0.5068 INCHES MINIMUM AND 0.5118 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-449-7589, 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
21303-1013
NSN: 3120-01-449-7589
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
shapeRECTANGULAR
materialSTEEL OUTER RING
blade_typeCUTTING
bore_shapeSTRAIGHT
bore_diameter2.3619 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN
overall_width0.5068 INCHES MINIMUM AND 0.5118 INCHES MAXIMUM IN
overall_length10.500 INCHES NOMINAL IN
surface_finishGROUND
locating_featureONE DIRECTION
style_designatorSINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
design_designationKEVORKIAN-YOUNG
internal_clearance0.0016 INCHES MINIMUM RADIAL AND 0.0021 INCHES MAXIMUM RADIAL IN
NSN3120-01-449-7589
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 21303-1013 · 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
SUBSTITUTES & CROSS-REFERENCES 2
21303 FIND 6Reference document
Same NSN cross-reference
Reference document — Secondary reference
21303-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21303-1013?
21303-1013 is a BUSHING,SLEEVE.
What parts can replace 21303-1013?
There are 2 known substitutes for 21303-1013: 21303 FIND 6, 21303-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 21303-1013?
21303-1013 is cataloged in the U.S. Government catalog under NSN 3120-01-449-7589. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.