185N559 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

185N559: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 4.7500 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-287-6741, 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

185N559

NSN: 3020-00-287-6741
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 73842 — GOODYEAR TIRE AND RUBBER CO THE (USA)

SPECIFICATIONS

material	STEEL COMP 416 OVERALL
body_style	PLAIN, SOLID
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	4.7500 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	152
style_designator	HUBLESS
attachment_method	MOUNTING HOLE
face_nominal_width	0.247 INCHES IN
bore_nominal_diameter	0.500 INCHES BOTH ENDS IN
nominal_outside_diameter	4.810 INCHES IN
NSN	3020-00-287-6741

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.500 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 152

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

MOUNTING HOLE TYPE AND QUANTITY: 4 PLAIN AXIALLY THROUGH BODY FIRST END

•

MOUNTING HOLE NOMINAL DIAMETER: 0.868 INCHES AXIALLY THROUGH BODY FIRST END IN

•

STYLE DESIGNATOR: HUBLESS

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.500 INCHES BOTH ENDS IN
TEETH QUANTITY	152
BODY STYLE	PLAIN, SOLID
BORE STYLE	PLAIN BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY	4 PLAIN AXIALLY THROUGH BODY FIRST END
MOUNTING HOLE NOMINAL DIAMETER	0.868 INCHES AXIALLY THROUGH BODY FIRST END IN
STYLE DESIGNATOR	HUBLESS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CLASS 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER	4.7500 INCHES NOMINAL IN
TOOTH FORM	STANDARD

SUBSTITUTES & CROSS-REFERENCES 1

117-524Reference 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 185N559?

185N559 is a GEAR,SPUR.

What parts can replace 185N559?

There is 1 known substitute for 185N559: 117-524. Substitute compatibility should be verified for your specific system.

What is the NSN for 185N559?

185N559 is cataloged in the U.S. Government catalog under NSN 3020-00-287-6741. This indicates validated use in U.S. government and defense supply chains.

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185N559 — GEAR,SPUR

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