4M8747 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4M8747: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_style: PLAIN BOTH ENDS, tooth_form: SPECIAL, teeth_quantity: 20, style_designator: HUBLESS, face_nominal_width: 1.455 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-031-9391, 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

4M8747

NSN: 3020-01-031-9391
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)

SPECIFICATIONS

material	STEEL OVERALL
bore_style	PLAIN BOTH ENDS
tooth_form	SPECIAL
teeth_quantity	20
style_designator	HUBLESS
face_nominal_width	1.455 INCHES IN
bore_nominal_diameter	1.109 INCHES BOTH ENDS IN
nominal_outside_diameter	1.918 INCHES IN
NSN	3020-01-031-9391

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 1.109 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 20

•

BORE STYLE: PLAIN BOTH ENDS

•

STYLE DESIGNATOR: HUBLESS

•

TOOTH FORM: SPECIAL

•

NOMINAL OUTSIDE DIAMETER: 1.918 INCHES IN

•

MATERIAL: STEEL OVERALL

•

FACE NOMINAL WIDTH: 1.455 INCHES IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	1.109 INCHES BOTH ENDS IN
TEETH QUANTITY	20
BORE STYLE	PLAIN BOTH ENDS
STYLE DESIGNATOR	HUBLESS
TOOTH FORM	SPECIAL
NOMINAL OUTSIDE DIAMETER	1.918 INCHES IN
MATERIAL	STEEL OVERALL
FACE NOMINAL WIDTH	1.455 INCHES IN

SUBSTITUTES & CROSS-REFERENCES 2

11634508Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

102666Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 4M8747?

4M8747 is a GEAR,SPUR.

What parts can replace 4M8747?

There are 2 known substitutes for 4M8747: 11634508, 102666. Substitute compatibility should be verified for your specific system.

What is the NSN for 4M8747?

4M8747 is cataloged in the U.S. Government catalog under NSN 3020-01-031-9391. This indicates validated use in U.S. government and defense supply chains.

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