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66373-15A — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

66373-15A: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 3.4700 INCHES MINIMUM AND 3.5300 INCHES MAXIMUM IN, material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, outside_diameter: 3.9380 INCHES MINIMUM AND 3.9390 INCHES MAXIMUM IN, style_designator: ROUND, overall_thickness: 0.1250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-482-8308, 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
66373-15A
NSN: 3120-01-482-8308
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
diameter3.4700 INCHES MINIMUM AND 3.5300 INCHES MAXIMUM IN
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
outside_diameter3.9380 INCHES MINIMUM AND 3.9390 INCHES MAXIMUM IN
style_designatorROUND
overall_thickness0.1250 INCHES NOMINAL IN
surface_conditionGROUND
center_hole_shape_styleROUND
end_item_identificationMOTOR
cross-sectional_shape_styleRECTANGULAR
NSN3120-01-482-8308
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 66373-15A · 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
•
OVERALL THICKNESS: 0.1250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 3.4700 INCHES MINIMUM AND 3.5300 INCHES MAXIMUM IN
•
SURFACE CONDITION: GROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 3.9380 INCHES MINIMUM AND 3.9390 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.1250 INCHES NOMINAL IN
STYLE DESIGNATORROUND
DIAMETER3.4700 INCHES MINIMUM AND 3.5300 INCHES MAXIMUM IN
SURFACE CONDITIONGROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER3.9380 INCHES MINIMUM AND 3.9390 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMOTOR
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 66373-15A?
66373-15A is a BEARING,WASHER,THRUST.
What is the NSN for 66373-15A?
66373-15A is cataloged in the U.S. Government catalog under NSN 3120-01-482-8308. This indicates validated use in U.S. government and defense supply chains.
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