3020-00-706-9343, GEAR CLUSTER

National Stock Number:
3020-00-706-9343

Federal Supply Class:
3020

National Item Identification Number:
007069343

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:

B311-342	92755	NORTHROP GRUMMAN SYSTEMS CORP
B311-342	98467	M J H GEAR AND TOOL CO

Techincal Specification:

BORE STYLE	PLAIN BOTH ENDS
BORE NOMINAL DIAMETER	0.625 INCHES BOTH ENDS
CONSTRUCTION	ASSEMBLED
DESIGN TYPE	SPUR FIRST GEAR
DESIGN TYPE	SPUR SECOND GEAR
HUB NOMINAL DIAMETER	0.750 INCHES FIRST END
HUB NOMINAL DIAMETER	1.188 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATOR	1 STEP BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATOR	PLAIN FIRST END
HUB NOMINAL LENGTH	0.023 INCHES FIRST END
HUB NOMINAL LENGTH	0.319 INCHES BETWEEN FIRST AND SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-639,ALLOY 464 HARD FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CLASS 304L FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CLASS 304L FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB
MATERIAL	COPPER ALLOY FIRST GEAR
MATERIAL	STEEL COMP 304L SECOND GEAR
MATERIAL	STEEL COMP 304L SHAFT/HUB
NOMINAL OUTSIDE DIAMETER	1.1875 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER	2.3333 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH	0.654 INCHES
PRECISION CLASSIFICATION	QUALITY NUMBER 9 ALL GEARS
SURFACE TREATMENT	PASSIVATE SECOND GEAR
SURFACE TREATMENT	PASSIVATE SHAFT/HUB

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