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78-758 — CONTACT ASSEMBLY,ELECTRICAL

✓ Government record, cited
Legrand · TAPERED BEARING
PRODUCT OVERVIEW

78-758: CONTACT ASSEMBLY,ELECTRICAL.

The CONTACT ASSEMBLY,ELECTRICAL is a Legrand industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL, nut_style: HEXAGON, nut_height: 0.450 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN, temp_rating: 800.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, overall_width: 0.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-158-6190, 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
78-758
NSN: 3110-00-158-6190
NIINs: 001586190, 006423691, 010086052
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 57526 — FORD MOTOR COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL
nut_styleHEXAGON
nut_height0.450 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
temp_rating800.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
overall_width0.688 INCHES NOMINAL IN
terminal_typeSOLDER LUG
thread_seriesUNF
alignment_typeRIGID
overall_height0.969 INCHES NOMINAL IN
overall_length2.250 INCHES NOMINAL IN
surface_finishGROUND
NSN3110-00-158-6190
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 78-758 · Legrand ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: CLUTCH RELEASE, THRUST, LUBRICATED AND SEALED
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 3.4850 INCHES MINIMUM AND 3.5150 INCHES MAXIMUM IN
•
BORE SMALLEST DIAMETER: 2.0625 INCHES MINIMUM AND 2.0635 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.8070 INCHES NOMINAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORCLUTCH RELEASE, THRUST, LUBRICATED AND SEALED
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER3.4850 INCHES MINIMUM AND 3.5150 INCHES MAXIMUM IN
BORE SMALLEST DIAMETER2.0625 INCHES MINIMUM AND 2.0635 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESBRONZE FERRULE ON ID OF ONE WASHER,WASHERS OVERLAP
MATERIALCOPPER ALLOY RETAINER
SUBSTITUTES & CROSS-REFERENCES 9
109Reference document
Same NSN cross-reference
Reference document — Secondary reference
CT1087Reference document
Same NSN cross-reference
Reference document — Secondary reference
C0T27580AReference document
Same NSN cross-reference
Reference document — Secondary reference
78-7580Reference document
Same NSN cross-reference
Reference document — Secondary reference
P129Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A2256-14Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 78-758?
78-758 is a CONTACT ASSEMBLY,ELECTRICAL manufactured by Legrand.
What parts can replace 78-758?
There are 9 known substitutes for 78-758: 109, CT1087, C0T27580A and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 78-758?
78-758 is cataloged in the U.S. Government catalog under NSN 3110-00-158-6190. This indicates validated use in U.S. government and defense supply chains.
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