2815-00-420-4687 ROCKER ARM,ENGINE POPPET VALVE Index 4320-00-420-4689 SHAFT,TRANSMISSION,PUMP

National Stock Number:
3020-00-420-4688

Federal Supply Class:
3020

National Item Identification Number:
004204688

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:
18141-303044114BAE SYSTEMS LAND & ARMAMENTS L.P.
3030-30F402PC1944114BAE SYSTEMS LAND & ARMAMENTS L.P.
3030-30F405PC1944114BAE SYSTEMS LAND & ARMAMENTS L.P.
3030-30V186CPC1944114BAE SYSTEMS LAND & ARMAMENTS L.P.
3030-30V186XPC1944114BAE SYSTEMS LAND & ARMAMENTS L.P.
3030-30V190CPC1944114BAE SYSTEMS LAND & ARMAMENTS L.P.
AD14S55-0168PC1980064NAVAL SHIP SYSTEMS COMMAND
AR5S55-8ALT4PC1980064NAVAL SHIP SYSTEMS COMMAND
AS12S4503-27PC1980064NAVAL SHIP SYSTEMS COMMAND
AS12S4503-30PC1980064NAVAL SHIP SYSTEMS COMMAND
DD421S55-0364PC1980064NAVAL SHIP SYSTEMS COMMAND
DD421S55-0368PC1980064NAVAL SHIP SYSTEMS COMMAND
DD423S55-0116PC1980064NAVAL SHIP SYSTEMS COMMAND
DD423S55-0119PC1980064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE STYLETAPERED W/KEYWAY BOTH ENDS
FACE NOMINAL WIDTH1.250 INCHES
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE19.2667 DEGREES
KEYWAY NOMINAL WIDTH0.312 INCHES BOTH ENDS
MATERIALSTEEL OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.721 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER6.8810 INCHES
PITCH DIAMETER6.7980 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORHUBLESS
TEETH QUANTITY77
TEETH TYPESINGLE HELIX
TAPER MAJOR NOMINAL DIAMETER1.130 INCHES BOTH ENDS
TOOTH DIRECTIONRIGHT


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