3020-00-437-5636 GEAR,ANTIBACKLASH,SPUR Index 6605-00-437-5638 BRACKET ASSY,SWAGIN

National Stock Number:
3020-00-437-5637

Federal Supply Class:
3020

National Item Identification Number:
004375637

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:
202-38490073CMC ELECTRONICS INC


Techincal Specification:
MATERIALSTEEL COMP 303 BODY
STEEL COMP 302 TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE BODY
FED STD 66 FED STD SINGLE MATERIAL RESPONSE TEETH
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TEETH QUANTITY64
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPERIPHERAL FACE, HUBLESS
PITCH DIAMETER1.0000 INCHES NOMINAL
NOMINAL OVERALL LENGTH0.241 INCHES
NOMINAL OUTSIDE DIAMETER1.0310 INCHES
FACE NOMINAL WIDTH0.055 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.116 INCHES FIRST END
0.020 INCHES SECOND END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.211 INCHES BOTH ENDS
HUB STYLE DESIGNATOR1 GROOVE FIRST END
PLAIN SECOND END
HUB NOMINAL DIAMETER0.248 INCHES FIRST END
FIRST GROOVE NOMINAL WIDTH0.030 INCHES FIRST END
FIRST GROOVE NOMINAL DIAMETER0.211 INCHES FIRST END
NOMINAL DISTANCE FROM END TO FIRST GROOVE0.191 INCHES FIRST END
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY2 THREADED TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNC TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.086 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD QUANTITY PER INCH56 TRANSVERSELY THROUGH HUB, FIRST END
THE MANUFACTURERS DATA
MANUFACTURERS CODE90073
DESIGN CONTROL REFERENCE202-384


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