3020-01-055-4232, GEAR,ANTIBACKLASH,SPUR

National Stock Number:
3020-01-055-4232

Federal Supply Class:
3020

National Item Identification Number:
010554232

Description:
GEAR,ANTIBACKLASH,SPUR

Detail:
An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

Manufacturer Information:

802770-2104	96214	RAYTHEON COMPANY
MZ3H-104-AQ10	00328	DESIGNATRONICS INCORPORATED
S9713ANZ3H104AP	00328	DESIGNATRONICS INCORPORATED

Techincal Specification:

BORE NOMINAL DIAMETER	0.125 INCHES BOTH ENDS
BORE STYLE	PLAIN BOTH ENDS
FACE NOMINAL WIDTH	0.104 INCHES
HUB NOMINAL DIAMETER	0.188 INCHES FIRST END
HUB STYLE DESIGNATOR	SPLIT FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764,COND B FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIAL	ALUMINUM ALLOY 2024 BODY
MATERIAL	STEEL COMP 303 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.221 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER	1.1030 INCHES
PITCH DIAMETER	1.0823 INCHES MINIMUM AND 1.0833 INCHES MAXIMUM
PRESSURE ANGLE	20.0000 DEGREES
STYLE DESIGNATOR	PROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-STD-171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE HUB
SURFACE TREATMENT	ANODIZE BODY
SURFACE TREATMENT	PASSIVATE HUB
TEETH QUANTITY	104
TOOTH FORM	STANDARD

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