5985-00-089-9536 ATTENUATOR,VARIABLE Index 4820-00-089-9547 VALVE,GLOBE

National Stock Number:
3020-00-089-9546

Federal Supply Class:
3020

National Item Identification Number:
000899546

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:
530401-196214RAYTHEON COMPANY
P12-9-160C00141ROLLER BEARING CO OF AMERICA, INC


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 AND
STEEL COMP 303SE BODY
STEEL COMP 303S OR
STEEL COMP 303SE HUB
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-268,T4 FED SPEC 1ST MATERIAL RESPONSE AND
MIL-S-7720 MIL SPEC 2ND MATERIAL RESPONSE OR
MIL-S-7720 MIL SPEC 3RD MATERIAL RESPONSE BODY
MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES HUB
SURFACE TREATMENTANODIZE AND
PASSIVATE BODY
PASSIVATE HUB
ANODIZE AND
PASSIVATE TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE AND
MIL-F-14072,FINISH E300 MIL SPEC 2ND TREATMENT RESPONSE BODY
MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE HUB
MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE AND
MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE TEETH
TEETH QUANTITY160
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 10
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER1.3333 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER1.3500 INCHES
FACE NOMINAL WIDTH0.104 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.281 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.186 INCHES FIRST END
CLAMPING SURFACE NOMINAL LENGTH0.250 INCHES FIRST END
ATTACHMENT METHODCLAMP
THE MANUFACTURERS DATA
MANUFACTURERS CODE00141
DESIGN CONTROL REFERENCEP12-9-160C


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