163440 — GEAR,HELICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

163440: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: PLASTIC BODY, body_style: WEBBED, OFFSET, SOLID, bore_style: PLAIN BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 17.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-856-6367, 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

163440

NSN: 3020-00-856-6367
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)

SPECIFICATIONS

material	PLASTIC BODY
body_style	WEBBED, OFFSET, SOLID
bore_style	PLAIN BOTH ENDS
teeth_type	SINGLE HELIX
tooth_form	STANDARD
helix_angle	17.0000 DEGREES
pitch_diameter	1.9062 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	48
tooth_direction	RIGHT
special_features	SLOTTED HUB
style_designator	PROTRUDING HUB
NSN	3020-00-856-6367

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.375 INCHES BOTH ENDS IN

•

HELIX ANGLE: 17.0000 DEGREES

•

HUB NOMINAL DIAMETER: 0.625 INCHES FIRST END IN

•

TEETH QUANTITY: 48

•

BODY STYLE: WEBBED, OFFSET, SOLID

•

TOOTH DIRECTION: RIGHT

•

BORE STYLE: PLAIN BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.219 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.375 INCHES BOTH ENDS IN
HELIX ANGLE	17.0000 DEGREES
HUB NOMINAL DIAMETER	0.625 INCHES FIRST END IN
TEETH QUANTITY	48
BODY STYLE	WEBBED, OFFSET, SOLID
TOOTH DIRECTION	RIGHT
BORE STYLE	PLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.219 INCHES FIRST END IN
TEETH TYPE	SINGLE HELIX
STYLE DESIGNATOR	PROTRUDING HUB

SUBSTITUTES & CROSS-REFERENCES 2

151129Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

7902037-64Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 163440?

163440 is a GEAR,HELICAL.

What parts can replace 163440?

There are 2 known substitutes for 163440: 151129, 7902037-64. Substitute compatibility should be verified for your specific system.

What is the NSN for 163440?

163440 is cataloged in the U.S. Government catalog under NSN 3020-00-856-6367. This indicates validated use in U.S. government and defense supply chains.

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