3020-00-343-4654, GEAR CLUSTER

National Stock Number:
3020-00-343-4654

Federal Supply Class:
3020

National Item Identification Number:
003434654

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:

GYLC478

05624

GE AVIATION SYSTEMS LLC

Techincal Specification:

BORE NOMINAL DIAMETER	0.170 INCHES BOTH ENDS
BORE STYLE	PLAIN BOTH ENDS
CONSTRUCTION	SOLID
DESIGN TYPE	SPUR FIRST GEAR
DESIGN TYPE	SPUR SECOND GEAR
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM TEETH
HARDNESS RATING	47.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM HUB
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66 FED STD SINGLE MATERIAL RESPONSE SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-268 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-268 FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB
MATERIAL	STEEL COMP 1095 SECOND GEAR
MATERIAL	STEEL FIRST GEAR
MATERIAL	STEEL SHAFT/HUB
NOMINAL OUTSIDE DIAMETER	0.2660 INCHES FIRST GEAR
NOMINAL OUTSIDE DIAMETER	0.8590 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH	0.374 INCHES
SURFACE TREATMENT	OXIDE OVERALL

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