J4-90 MODIFIED — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

J4-90 MODIFIED: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, body_style: WEBBED, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.4062 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-114-6026, 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

J4-90 MODIFIED

NSN: 3020-01-114-6026
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 OVERALL
body_style	WEBBED, SOLID
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	1.4062 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	90
style_designator	HUBLESS, RECESSED BODY
surface_treatment	ANODIZE OVERALL
face_nominal_width	0.125 INCHES IN
bore_nominal_diameter	0.375 INCHES BOTH ENDS IN
nominal_outside_diameter	1.437 INCHES IN
NSN	3020-01-114-6026

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.375 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 90

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

BODY STYLE: WEBBED, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

STYLE DESIGNATOR: HUBLESS, RECESSED BODY

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

PITCH DIAMETER: 1.4062 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.375 INCHES BOTH ENDS IN
TEETH QUANTITY	90
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
BODY STYLE	WEBBED, SOLID
BORE STYLE	PLAIN BOTH ENDS
STYLE DESIGNATOR	HUBLESS, RECESSED BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER	1.4062 INCHES NOMINAL IN
TOOTH FORM	STANDARD
NOMINAL OUTSIDE DIAMETER	1.437 INCHES IN

SUBSTITUTES & CROSS-REFERENCES 1

76A123002Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is J4-90 MODIFIED?

J4-90 MODIFIED is a GEAR,SPUR.

What parts can replace J4-90 MODIFIED?

There is 1 known substitute for J4-90 MODIFIED: 76A123002. Substitute compatibility should be verified for your specific system.

What is the NSN for J4-90 MODIFIED?

J4-90 MODIFIED is cataloged in the U.S. Government catalog under NSN 3020-01-114-6026. This indicates validated use in U.S. government and defense supply chains.

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