3020-01-126-9232 GEAR,HELICAL Index 5962-01-126-9234 MICROCIRCUIT,LINEAR

National Stock Number:
3020-01-126-9233

Federal Supply Class:
3020

National Item Identification Number:
011269233

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:
AC64X-15229440W. M. BERG INC
AP64X-152-C29440W. M. BERG INC
P14-3-152-C00141ROLLER BEARING CO OF AMERICA, INC
DP143T152-C29964ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO


Techincal Specification:
ATTACHMENT METHODCLAMP
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH0.250 INCHES FIRST END
FACE NOMINAL WIDTH0.104 INCHES
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.312 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-765 FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIALALUMINUM ALLOY 2024 FIRST GEAR
MATERIALALUMINUM ALLOY 2024 SECOND GEAR
MATERIALSTEEL COMP 303 HUB
MATERIALSTEEL CORROSION RESISTING SPRING
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.281 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER2.4063 INCHES
PITCH DIAMETER2.3750 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE FIRST GEAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE SECOND GEAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE HUB
SURFACE TREATMENTANODIZE FIRST GEAR
SURFACE TREATMENTANODIZE SECOND GEAR
SURFACE TREATMENTPASSIVATE HUB
TEETH QUANTITY152
TOOTH FORMSTANDARD


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