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Technical Data Sheet
PartsTable / COMPONENT / 1M3669
1M3669 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 6.9690 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, features_provided: CASEHARDENED, body_inside_diameter: 1.9060 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-950-6575, 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
1M3669
NSN: 3120-00-950-6575
FSC: 3120
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length6.9690 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
features_providedCASEHARDENED
body_inside_diameter1.9060 INCHES NOMINAL IN
body_outside_diameter2.8120 INCHES NOMINAL IN
NSN3120-00-950-6575
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1M3669 · 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
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: STEEL OVERALL
•
BODY INSIDE DIAMETER: 1.9060 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.8120 INCHES NOMINAL IN
•
FEATURES PROVIDED: CASEHARDENED
•
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALSTEEL OVERALL
BODY INSIDE DIAMETER1.9060 INCHES NOMINAL IN
OVERALL LENGTH6.9690 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.8120 INCHES NOMINAL IN
FEATURES PROVIDEDCASEHARDENED
CORNER SHAPESQUARE ALL CORNERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
04632Interchangeable
interchangeable cross-reference
interchangeable
373304-1Interchangeable
interchangeable cross-reference
interchangeable
2 3-4CYL GASKETInterchangeable
interchangeable cross-reference
interchangeable
15403Interchangeable
interchangeable cross-reference
interchangeable
51036-1-001Interchangeable
interchangeable cross-reference
interchangeable
PS127Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1M3669?
1M3669 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 1M3669?
There are 6 known substitutes for 1M3669: 04632, 373304-1, 2 3-4CYL GASKET and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1M3669?
1M3669 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-950-6575. 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