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Technical Data Sheet
PartsTable / COMPONENT / 1620AC1-002-3
1620AC1-002-3 ✓ 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 958 OVERALL, corner_shape: SQUARE LEFT FLANGE BODY CORNER, flange_width: 0.0610 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN, overall_length: 1.3750 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY, style_designator: SOLID, EXTERNAL FLANGE ONE END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-600-6755, 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
1620AC1-002-3
NSN: 3120-00-600-6755
FSC: 3120
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY 958 OVERALL
corner_shapeSQUARE LEFT FLANGE BODY CORNER
flange_width0.0610 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
overall_length1.3750 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter1.2506 INCHES MINIMUM AND 1.2516 INCHES MAXIMUM IN
body_outside_diameter1.3755 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN
flange_outside_diameter2.0000 INCHES NOMINAL IN
NSN3120-00-600-6755
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1620AC1-002-3 · 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
•
BODY INSIDE DIAMETER: 1.2506 INCHES MINIMUM AND 1.2516 INCHES MAXIMUM IN
•
SURFACE FINISH: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
•
CORNER SHAPE: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER1.2506 INCHES MINIMUM AND 1.2516 INCHES MAXIMUM IN
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
SURFACE FINISH32.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
SURFACE FINISH32.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
28505Interchangeable
interchangeable cross-reference
interchangeable
176047Interchangeable
interchangeable cross-reference
interchangeable
55125Interchangeable
interchangeable cross-reference
interchangeable
364Interchangeable
interchangeable cross-reference
interchangeable
IBC-125Interchangeable
interchangeable cross-reference
interchangeable
AGF0216Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1620AC1-002-3?
1620AC1-002-3 is a BUSHING,SLEEVE.
What parts can replace 1620AC1-002-3?
There are 9 known substitutes for 1620AC1-002-3: 28505, 176047, 55125 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1620AC1-002-3?
1620AC1-002-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-600-6755. 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