2530-00-096-8842 LEVER,MANUAL CONTROL Index 4820-00-096-8864 BONNET,VALVE

National Stock Number:
3020-00-096-8844

Federal Supply Class:
3020

National Item Identification Number:
000968844

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:
2044-203311871RECON/OPTICAL, INC.
2044-2033566D3GOODRICH CORPORATION DIV SURVEILLANCE & RECONNAISSANCE SYSTEMS DBA GOODRICH ISR SYSTEMS


Techincal Specification:
ATTACHMENT METHODCLAMP
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH0.250 INCHES FIRST END
FACE NOMINAL WIDTH0.104 INCHES
HUB NOMINAL DIAMETER0.312 INCHES FIRST END
HUB STYLE DESIGNATORSPLIT FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIALALUMINUM ALLOY 2024 TEETH
MATERIALSTEEL COMP 303 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.281 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER2.530 INCHES
PITCH DIAMETER2.4990 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESTHREE UNTHD HOLES THROUGH BODY SPACED 90 DEG APART ON 1.500 IN. DIA BOLT CIRCLE,0.093 IN. DIA ON HUB SIDE 0.375 IN. DIA ON OTHER SIDE OF GEAR
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE HUB
SURFACE TREATMENTANODIZE TEETH
SURFACE TREATMENTPASSIVATE HUB
TEETH QUANTITY160
TOOTH FORMSTANDARD


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