0E221 — GEAR,HELICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

0E221: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include body_style: PLAIN, SOLID, bore_style: INVOLUTE SPLINE BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, pitch_diameter: 5.9480 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-317-9909, 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

0E221

NSN: 3020-00-317-9909
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)

SPECIFICATIONS

body_style	PLAIN, SOLID
bore_style	INVOLUTE SPLINE BOTH ENDS
teeth_type	SINGLE HELIX
tooth_form	STANDARD
pitch_diameter	5.9480 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	27
hardness_rating	58.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM OVERALL
spline_quantity	16 BOTH ENDS
tooth_direction	LEFT
style_designator	PROTRUDING HUBS
face_nominal_width	1.750 INCHES IN
NSN	3020-00-317-9909

COMPONENT DIAGRAM

KEY FEATURES

•

HUB NOMINAL DIAMETER: 4.125 INCHES SECOND END IN

•

TEETH QUANTITY: 27

•

BODY STYLE: PLAIN, SOLID

•

TOOTH DIRECTION: LEFT

•

BORE STYLE: INVOLUTE SPLINE BOTH ENDS

•

TEETH TYPE: SINGLE HELIX

•

HARDNESS RATING: 58.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM OVERALL

•

STYLE DESIGNATOR: PROTRUDING HUBS

TECHNICAL CHARACTERISTICS

HUB NOMINAL DIAMETER	4.125 INCHES SECOND END IN
TEETH QUANTITY	27
BODY STYLE	PLAIN, SOLID
TOOTH DIRECTION	LEFT
BORE STYLE	INVOLUTE SPLINE BOTH ENDS
TEETH TYPE	SINGLE HELIX
HARDNESS RATING	58.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	PROTRUDING HUBS
PITCH DIAMETER	5.9480 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.

3020-00-001-2090 3020-00-001-4468 3020-00-007-2779 3020-00-009-4033 3020-00-031-2269 3020-00-146-4181 3020-00-146-4222 3020-00-425-7115

SUBSTITUTES & CROSS-REFERENCES 1

6578522Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 0E221?

0E221 is a GEAR,HELICAL.

What parts can replace 0E221?

There is 1 known substitute for 0E221: 6578522. Substitute compatibility should be verified for your specific system.

What is the NSN for 0E221?

0E221 is cataloged in the U.S. Government catalog under NSN 3020-00-317-9909. This indicates validated use in U.S. government and defense supply chains.

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0E221 — GEAR,HELICAL

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