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Technical Data Sheet
PartsTable / COMPONENT / AS20303
AS20303 ✓ 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,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 905 OVERALL, corner_shape: SQUARE INSIDE RIGHT CORNER, hole_diameter: 0.0625 INCHES NOMINAL FIRST IN, overall_length: 0.7960 INCHES MINIMUM AND 0.7980 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-288-5914, 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
AS20303
NSN: 3120-00-288-5914
FSC: 3120
CAGE: 12776 — AIRCRAFT SUPPLIES (USA)
SPECIFICATIONS
materialCOPPER ALLOY 905 OVERALL
corner_shapeSQUARE INSIDE RIGHT CORNER
hole_diameter0.0625 INCHES NOMINAL FIRST IN
overall_length0.7960 INCHES MINIMUM AND 0.7980 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.6850 INCHES MINIMUM AND 1.6855 INCHES MAXIMUM IN
body_outside_diameter1.9360 INCHES MINIMUM AND 1.9365 INCHES MAXIMUM IN
material_document_and_classificationAMS 4846 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
antirotation/lubrication_type_and_quantity4 HOLE
NSN3120-00-288-5914
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: AS20303 · 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
•
SURFACE FINISH: 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 4 HOLE
•
BODY OUTSIDE DIAMETER: 1.9360 INCHES MINIMUM AND 1.9365 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 905 OVERALL
•
BODY INSIDE DIAMETER: 1.6850 INCHES MINIMUM AND 1.6855 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
ANTIROTATION/LUBRICATION TYPE AND QUANTITY4 HOLE
BODY OUTSIDE DIAMETER1.9360 INCHES MINIMUM AND 1.9365 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 905 OVERALL
BODY INSIDE DIAMETER1.6850 INCHES MINIMUM AND 1.6855 INCHES MAXIMUM IN
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
OVERALL LENGTH0.7960 INCHES MINIMUM AND 0.7980 INCHES MAXIMUM IN
CORNER SHAPESQUARE INSIDE RIGHT CORNER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4846 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
1013527P14Interchangeable
interchangeable cross-reference
interchangeable
20303Interchangeable
interchangeable cross-reference
interchangeable
72-6970-322Interchangeable
interchangeable cross-reference
interchangeable
271963Interchangeable
interchangeable cross-reference
interchangeable
804Interchangeable
interchangeable cross-reference
interchangeable
280026-44Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS20303?
AS20303 is a BEARING,SLEEVE.
What parts can replace AS20303?
There are 15 known substitutes for AS20303: 1013527P14, 20303, 72-6970-322 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS20303?
AS20303 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-288-5914. 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