3020-00-196-2103 GEAR,SPUR Index 4730-00-196-2105 NIPPLE,PIPE

National Stock Number:
3020-00-196-2104

Federal Supply Class:
3020

National Item Identification Number:
001962104

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:
131321-124930L3HARRIS TECHNOLOGIES, INC


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.375 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.250 INCHES
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER0.503 INCHES FIRST END
HUB STYLE DESIGNATORPINNED FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 416/SAE 51416 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 BODY
MOUNTING HOLE NOMINAL THREAD SIZE0.164 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNC TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE TYPE AND QUANTITY1 THREADED TRANSVERSELY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.562 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.495 INCHES
PITCH DIAMETER4.0000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY20
TOOTH FORMSTANDARD


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