3020-01-088-6453, GEAR CLUSTER

National Stock Number:
3020-01-088-6453

Federal Supply Class:
3020

National Item Identification Number:
010886453

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:

2836351	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
4050647-000	56232	LOCKHEED MARTIN CORPORATION

Techincal Specification:

MATERIAL	STEEL OR
	STEEL COMP 8620 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD 1ST MATERIAL RESPONSE OR
	QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-8690,COMP 8620 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONSTRUCTION	SOLID
DESIGN TYPE	SPUR FIRST GEAR
	SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER	3.9375 INCHES FIRST GEAR
	2.0833 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH	5.562 INCHES
PRECISION CLASSIFICATION	QUALITY NUMBER 11 ALL GEARS
HUB STYLE DESIGNATOR	PLAIN BETWEEN FIRST AND SECOND GEAR
	1 STEP BOTH ENDS
HUB NOMINAL LENGTH	1.000 INCHES FIRST END
	0.125 INCHES SECOND END
	0.156 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER	1.680 INCHES BETWEEN FIRST AND SECOND GEAR
	1.378 INCHES BOTH ENDS

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