3020-00-706-9342, GEAR CLUSTER

National Stock Number:
3020-00-706-9342

Federal Supply Class:
3020

National Item Identification Number:
007069342

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:

B311-336

92755

NORTHROP GRUMMAN SYSTEMS CORP

Techincal Specification:

MATERIAL	STEEL COMP 304L SHAFT/HUB
	COPPER ALLOY FIRST GEAR
	STEEL COMP 304L SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CLASS 304L FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB
	QQ-B-639,ALLOY 464 HARD FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
	QQ-S-763,CLASS 304L FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
SURFACE TREATMENT	PASSIVATE SHAFT/HUB
	PASSIVATE SECOND GEAR
CONSTRUCTION	ASSEMBLED
DESIGN TYPE	SPUR FIRST GEAR
	SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER	3.4167 INCHES FIRST GEAR
	0.7917 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH	0.740 INCHES
PRECISION CLASSIFICATION	QUALITY NUMBER 9 ALL GEARS
BORE STYLE	PLAIN BOTH ENDS
BORE NOMINAL DIAMETER	0.250 INCHES BOTH ENDS
HUB STYLE DESIGNATOR	PLAIN BETWEEN FIRST AND SECOND GEAR
	PLAIN BOTH ENDS
HUB NOMINAL LENGTH	0.0190 INCHES FIRST END
	0.1780 INCHES SECOND END
	0.2930 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER	0.500 INCHES FIRST END
	0.375 INCHES SECOND END
	0.682 INCHES BETWEEN FIRST AND SECOND GEAR
ATTACHMENT METHOD	MOUNTING HOLE
SPECIAL FEATURES	MTG HOLES 90 DEGS APART

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