PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4015128-1
4015128-1 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include diameter: 0.313 INCHES NOMINAL IN, material: STEEL OVERALL, body_length: 0.750 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, overall_length: 0.2800 INCHES NOMINAL IN, shell_material: COPPER ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-725-5704, 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
4015128-1
NSN: 3120-00-725-5704
FSC: 3120
CAGE: 7EK50 — TEXTRON AVIATION INC (USA)
SPECIFICATIONS
diameter0.313 INCHES NOMINAL IN
materialSTEEL OVERALL
body_length0.750 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
overall_length0.2800 INCHES NOMINAL IN
shell_materialCOPPER ALLOY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
mating_end_quantity1
body_inside_diameter0.2440 INCHES MINIMUM AND 0.2450 INCHES MAXIMUM IN
contact_removabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
body_outside_diameter0.3760 INCHES MINIMUM AND 0.3765 INCHES MAXIMUM IN
included_contact_typeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
NSN3120-00-725-5704
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4015128-1 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY OUTSIDE DIAMETER: 0.3760 INCHES MINIMUM AND 0.3765 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.2440 INCHES MINIMUM AND 0.2450 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE ALL CORNERS
MATERIALSTEEL OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.2800 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.3760 INCHES MINIMUM AND 0.3765 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.2440 INCHES MINIMUM AND 0.2450 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
59A120A5-27-2Interchangeable
interchangeable cross-reference
interchangeable
1719-1Interchangeable
interchangeable cross-reference
interchangeable
40-203-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4015128-1?
4015128-1 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 4015128-1?
There are 3 known substitutes for 4015128-1: 59A120A5-27-2, 1719-1, 40-203-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 4015128-1?
4015128-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-725-5704. 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