4820-00-925-3251 SEAT,VALVE Index 3020-00-925-3253 GEAR,HELICAL

National Stock Number:
3020-00-925-3252

Federal Supply Class:
3020

National Item Identification Number:
009253252

Description:
GEAR,HELICAL

Detail:
A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:


Manufacturer Information:
69777599167HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
BACKLASH DESIGNATIONGRADE A
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.355 INCHES BOTH ENDS
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH0.625 INCHES
HARDNESS RATING80.0 ROCKWELL A MINIMUM AND 83.0 ROCKWELL A MAXIMUM OVERALL
HELIX ANGLE60.0000 DEGREES
KEYWAY NOMINAL WIDTH0.128 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6290 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PITCH DIAMETER0.6111 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.212 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER0.664 INCHES
STYLE DESIGNATORHUBLESS
TEETH QUANTITY11
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTUB


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