3040-00-942-4957 SHAFT ASSEMBLY Index 5821-00-942-4962 EXTRACTOR

National Stock Number:
3020-00-942-4959

Federal Supply Class:
3020

National Item Identification Number:
009424959

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:
542-4469-00213499ROCKWELL COLLINS, INC.
SM-B-17891980063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR
SMB178919REVA63689PROFILE GEAR CORP


Techincal Specification:
ATTACHMENT METHODCLAMP
BACKLASH DESIGNATIONGRADE B
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH0.250 INCHES FIRST END
FACE NOMINAL WIDTH0.110 INCHES
HUB STYLE DESIGNATORPLAIN SECOND END
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.312 INCHES FIRST END
HUB NOMINAL DIAMETER0.563 INCHES SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIALSTEEL COMP 303 HUB
MATERIALSTEEL COMP 301 FIRST GEAR
MATERIALSTEEL COMP 301 SECOND GEAR
MATERIALSTEEL SPRING
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.031 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.278 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.688 INCHES
PITCH DIAMETER1.6250 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENTPASSIVATE FIRST GEAR
SURFACE TREATMENTPASSIVATE HUB
SURFACE TREATMENTPASSIVATE SECOND GEAR
TEETH QUANTITY52
TOOTH FORMSTANDARD


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