502D299 — GEAR,HELICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

502D299: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, teeth_type: SINGLE HELIX, tooth_form: STANDARD, pitch_diameter: 3.3124 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-804-8773, 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

502D299

NSN: 3020-00-804-8773
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)

SPECIFICATIONS

material	STEEL OVERALL
body_style	PLAIN, SOLID
teeth_type	SINGLE HELIX
tooth_form	STANDARD
pitch_diameter	3.3124 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	29
tooth_direction	RIGHT
style_designator	HUBLESS
keyway_nominal_width	0.374 INCHES BOTH ENDS IN
nominal_outside_diameter	3.5124 INCHES IN
counterbore_nominal_diameter	2.3125 INCHES FIRST END IN
NSN	3020-00-804-8773

COMPONENT DIAGRAM

KEY FEATURES

•

KEYWAY NOMINAL WIDTH: 0.374 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 29

•

BODY STYLE: PLAIN, SOLID

•

COUNTERBORE NOMINAL DIAMETER: 2.3125 INCHES FIRST END IN

•

TOOTH DIRECTION: RIGHT

•

TEETH TYPE: SINGLE HELIX

•

STYLE DESIGNATOR: HUBLESS

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-890,CLASS BS MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

KEYWAY NOMINAL WIDTH	0.374 INCHES BOTH ENDS IN
TEETH QUANTITY	29
BODY STYLE	PLAIN, SOLID
COUNTERBORE NOMINAL DIAMETER	2.3125 INCHES FIRST END IN
TOOTH DIRECTION	RIGHT
TEETH TYPE	SINGLE HELIX
STYLE DESIGNATOR	HUBLESS
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-890,CLASS BS MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER	3.3124 INCHES NOMINAL IN
TOOTH FORM	STANDARD

OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072

SUBSTITUTES & CROSS-REFERENCES 1

502D299-1Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 502D299?

502D299 is a GEAR,HELICAL.

What parts can replace 502D299?

There is 1 known substitute for 502D299: 502D299-1. Substitute compatibility should be verified for your specific system.

What is the NSN for 502D299?

502D299 is cataloged in the U.S. Government catalog under NSN 3020-00-804-8773. This indicates validated use in U.S. government and defense supply chains.

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502D299 — GEAR,HELICAL

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