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PartsTable / COMPONENT / A-810502 PIECE 20
A-810502 PIECE 20 ✓ 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: COPPER ALLOY AND GRAPHITE OVERALL, material_document_and_classification: GRAMIX 81,MOHAWK SINTERED ALLOYS ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-197-1068, 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
A-810502 PIECE 20
NSN: 3120-01-197-1068
FSC: 3120
CAGE: 31922 — LEEDS AND NORTHRUP CO A UNIT OF GENERAL SIGNAL CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND GRAPHITE OVERALL
material_document_and_classificationGRAMIX 81,MOHAWK SINTERED ALLOYS ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-197-1068
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A-810502 PIECE 20 · 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
•
MATERIAL: COPPER ALLOY AND GRAPHITE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: GRAMIX 81,MOHAWK SINTERED ALLOYS ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY AND GRAPHITE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONGRAMIX 81,MOHAWK SINTERED ALLOYS ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
H73Interchangeable
interchangeable cross-reference
interchangeable
Y19145Interchangeable
interchangeable cross-reference
interchangeable
8800-877082Interchangeable
interchangeable cross-reference
interchangeable
R808REVAIT5Interchangeable
interchangeable cross-reference
interchangeable
R807REVAIT5Interchangeable
interchangeable cross-reference
interchangeable
9102056Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-810502 PIECE 20?
A-810502 PIECE 20 is a BUSHING,SLEEVE.
What parts can replace A-810502 PIECE 20?
There are 7 known substitutes for A-810502 PIECE 20: H73, Y19145, 8800-877082 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-810502 PIECE 20?
A-810502 PIECE 20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-197-1068. 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