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863688 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

863688: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: TIN ALLOY INNER LAYER, duty_type: CONTINUOUS, hole_diameter: 0.2500 INCHES NOMINAL FIRST IN, overall_width: 0.870 INCHES NOMINAL IN, overall_height: 0.420 INCHES NOMINAL IN, overall_length: 1.330 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-039-6666, 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
863688
NSN: 3120-00-039-6666
NIINs: 000396666, 009279716
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialTIN ALLOY INNER LAYER
duty_typeCONTINUOUS
coil_quantity1
hole_diameter0.2500 INCHES NOMINAL FIRST IN
overall_width0.870 INCHES NOMINAL IN
overall_height0.420 INCHES NOMINAL IN
overall_length1.330 INCHES NOMINAL IN
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
winding_quantity1
locking_lug_width0.1790 INCHES MINIMUM AND 0.1830 INCHES MAXIMUM IN
locking_lug_height0.0550 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
locking_lug_length0.2187 INCHES NOMINAL IN
NSN3120-00-039-6666
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 863688 · 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
•
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING: 0.5159 INCHES NOMINAL FIRST IN
•
LOCKING LUG HEIGHT: 0.0550 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 2.6500 INCHES MINIMUM AND 2.6640 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 2.4912 INCHES MINIMUM AND 2.4917 INCHES MAXIMUM IN
•
LUBRICANT ACCOMMODATION STYLE: GROOVED CIRCULAR
•
LOCKING LUG WIDTH: 0.1790 INCHES MINIMUM AND 0.1830 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING0.5159 INCHES NOMINAL FIRST IN
LOCKING LUG HEIGHT0.0550 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.6500 INCHES MINIMUM AND 2.6640 INCHES MAXIMUM IN
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.0265 INCHES MINIMUM AND 1.0365 INCHES MAXIMUM IN
BODY INSIDE DIAMETER2.4912 INCHES MINIMUM AND 2.4917 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR
LOCKING LUG WIDTH0.1790 INCHES MINIMUM AND 0.1830 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
DISTANCE FROM LUG END TO END OF BEARING0.3090 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
959979Reference document
Same NSN cross-reference
Reference document — Secondary reference
855090Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 863688?
863688 is a RELAY,ELECTROMAGNETIC.
What parts can replace 863688?
There are 2 known substitutes for 863688: 959979, 855090. Substitute compatibility should be verified for your specific system.
What is the NSN for 863688?
863688 is cataloged in the U.S. Government catalog under NSN 3120-00-039-6666. This indicates validated use in U.S. government and defense supply chains.
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