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Technical Data Sheet
PartsTable / COMPONENT / 3-40512-7
3-40512-7 ✓ 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 955 OVERALL, corner_shape: SQUARE OUTSIDE RIGHT CORNER, flange_width: 0.0590 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN, overall_length: 0.4400 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-214-4199, 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
3-40512-7
NSN: 3120-00-214-4199
FSC: 3120
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 955 OVERALL
corner_shapeSQUARE OUTSIDE RIGHT CORNER
flange_width0.0590 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
overall_length0.4400 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
style_designatorSOLID, EXTERNAL FLANGE ONE END
surface_treatmentCADMIUM OUTSIDE DIAMETER SURFACE OF FLANGE
body_inside_diameter0.3730 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN
body_outside_diameter0.5009 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
flange_outside_diameter0.7500 INCHES NOMINAL IN
material_document_and_classificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-214-4199
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3-40512-7 · 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
•
FLANGE WIDTH: 0.0590 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
•
SURFACE FINISH: 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
•
BODY OUTSIDE DIAMETER: 0.5009 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM RIGHT END SURFACE OF LEFT FLANGE
•
MATERIAL: COPPER ALLOY 955 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE WIDTH0.0590 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
SURFACE FINISH125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
BODY OUTSIDE DIAMETER0.5009 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM RIGHT END SURFACE OF LEFT FLANGE
SURFACE TREATMENTCADMIUM OUTSIDE DIAMETER SURFACE OF BODY
MATERIALCOPPER ALLOY 955 OVERALL
SURFACE TREATMENTCADMIUM OUTSIDE DIAMETER SURFACE OF FLANGE
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
23666-060Interchangeable
interchangeable cross-reference
interchangeable
SPANDAGEInterchangeable
interchangeable cross-reference
interchangeable
10-7107Interchangeable
interchangeable cross-reference
interchangeable
CVCPICInterchangeable
interchangeable cross-reference
interchangeable
5420Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-40512-7?
3-40512-7 is a BUSHING,SLEEVE.
What parts can replace 3-40512-7?
There are 5 known substitutes for 3-40512-7: 23666-060, SPANDAGE, 10-7107 and 2 more. Substitute compatibility should be verified for your specific system.
Is 3-40512-7 still available?
3-40512-7 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026