6773478 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

6773478: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5150 OVERALL, body_style: WEBBED, WITH LIGHTENING HOLES, bore_style: INVOLUTE SPLINE BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 11.0000 INCHES NOMINAL IN, pressure_angle: 25.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-080-6958, 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

6773478

NSN: 3020-00-080-6958
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)

SPECIFICATIONS

material	STEEL COMP 5150 OVERALL
body_style	WEBBED, WITH LIGHTENING HOLES
bore_style	INVOLUTE SPLINE BOTH ENDS
tooth_form	STANDARD
pitch_diameter	11.0000 INCHES NOMINAL IN
pressure_angle	25.0000 DEGREES
teeth_quantity	44
hardness_rating	57.0 ROCKWELL C MAXIMUM TEETH
spline_quantity	18 BOTH ENDS
style_designator	PROTRUDING HUBS
face_nominal_width	1.120 INCHES IN
hub_nominal_diameter	2.950 INCHES BOTH ENDS IN
NSN	3020-00-080-6958

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 2.375 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 2.950 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 44

•

BODY STYLE: WEBBED, WITH LIGHTENING HOLES

•

BORE STYLE: INVOLUTE SPLINE BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.625 INCHES BOTH ENDS IN

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM HUB

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	2.375 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	2.950 INCHES BOTH ENDS IN
TEETH QUANTITY	44
BODY STYLE	WEBBED, WITH LIGHTENING HOLES
BORE STYLE	INVOLUTE SPLINE BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.625 INCHES BOTH ENDS IN
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM HUB
HARDNESS RATING	57.0 ROCKWELL C MAXIMUM TEETH
STYLE DESIGNATOR	PROTRUDING HUBS
PITCH DIAMETER	11.0000 INCHES NOMINAL IN

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

D47487Same 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 6773478?

6773478 is a GEAR,SPUR.

What parts can replace 6773478?

There is 1 known substitute for 6773478: D47487. Substitute compatibility should be verified for your specific system.

What is the NSN for 6773478?

6773478 is cataloged in the U.S. Government catalog under NSN 3020-00-080-6958. This indicates validated use in U.S. government and defense supply chains.

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6773478 — GEAR,SPUR

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