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68563 — INSULATING VARNISH,ELECTRICAL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

68563: INSULATING VARNISH,ELECTRICAL.

The INSULATING VARNISH,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1050 OVERALL, head_style: MUSHROOM, stem_style: GROOVED, head_height: 0.1562 INCHES NOMINAL IN, neck_radius: 0.3125 INCHES NOMINAL IN, stem_length: 4.9375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-203-8676, 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
68563
NSN: 3120-00-203-8676
NIINs: 002038676, 005179906
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 80254 — TEXTRON LYCOMING INC WILLIAMSPORT PLANT (USA)
SPECIFICATIONS
materialSTEEL COMP 1050 OVERALL
head_styleMUSHROOM
stem_styleGROOVED
head_height0.1562 INCHES NOMINAL IN
neck_radius0.3125 INCHES NOMINAL IN
stem_length4.9375 INCHES NOMINAL IN
groove_width0.2650 INCHES NOMINAL IN
stem_diameter0.3100 INCHES NOMINAL IN
chamfer_length0.0625 INCHES NOMINAL IN
groove_diameter0.2500 INCHES NOMINAL IN
outside_diameter1.2500 INCHES NOMINAL IN
seat_angle_in_deg45.0
NSN3120-00-203-8676
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 68563 · 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 INSIDE RIGHT CORNER
•
BODY OUTSIDE DIAMETER: 0.8745 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM IN
•
HARDNESS RATING: 72.0 ROCKWELL C MINIMUM AND 90.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SPLIT, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
BODY OUTSIDE DIAMETER0.8745 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM IN
HARDNESS RATING72.0 ROCKWELL C MINIMUM AND 90.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSPLIT, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.1200 INCHES MINIMUM AND 1.1400 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.7340 INCHES MINIMUM AND 0.7380 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
2810L23-021-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 68563?
68563 is a INSULATING VARNISH,ELECTRICAL.
What parts can replace 68563?
There is 1 known substitute for 68563: 2810L23-021-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 68563?
68563 is cataloged in the U.S. Government catalog under NSN 3120-00-203-8676. This indicates validated use in U.S. government and defense supply chains.
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