3020-00-403-9775, GEAR CLUSTER

National Stock Number:
3020-00-403-9775

Federal Supply Class:
3020

National Item Identification Number:
004039775

Description:
GEAR CLUSTER

Detail:
A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see GEARSHAFT (as modified). Excludes GEAR SUBASSEMBLY, SPEED DECREASER.

Manufacturer Information:

MG5-203

99251

MISSION SYSTEMS DAVENPORT INC.

Techincal Specification:

MATERIAL	STEEL COMP 416 SHAFT/HUB
	STEEL COMP 302 FIRST GEAR
	STEEL COMP 416 SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66 FED STD SINGLE MATERIAL RESPONSE AND
	AISI 416/SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE SHAFT/HUB
	MIL-S-5059,1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
	FED STD 66 FED STD SINGLE MATERIAL RESPONSE AND
	AISI 416/SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE SECOND GEAR
CONSTRUCTION	ASSEMBLED
DESIGN TYPE	SPUR FIRST GEAR
	SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER	0.3500 INCHES FIRST GEAR
	0.208 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH	0.476 INCHES
PRECISION CLASSIFICATION	QUALITY NUMBER 10 OR
	QUALITY NUMBER 11 ALL GEARS
BACKLASH DESIGNATION	GRADE C ALL GEARS
HUB STYLE DESIGNATOR	1 STEP BETWEEN FIRST AND SECOND GEAR
	1 STEP BOTH ENDS
HUB NOMINAL LENGTH	0.144 INCHES FIRST END
	0.060 INCHES SECOND END
	0.168 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER	0.162 INCHES BETWEEN FIRST AND SECOND GEAR
	0.062 INCHES BOTH ENDS

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