3020-00-249-9940 GEAR,HELICAL Index 4130-00-250-0004 FILTER,AIR

National Stock Number:
3020-00-249-9949

Federal Supply Class:
3020

National Item Identification Number:
002499949

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:
121012A64104DRESSER, LLC
700857019207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
WPP71079172SIEMENS WATER TECHNOLOGIES CORP. DIV WALLACE & TIERNAN PRODUCTS


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER1.3768 INCHES FIRST END
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH0.625 INCHES
HELIX ANGLE31.0000 DEGREES
HUB NOMINAL DIAMETER1.750 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
KEYWAY NOMINAL WIDTH0.189 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1140 OVERALL
PITCH DIAMETER2.3290 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.328 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.7846 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER2.4825 INCHES
SPECIAL FEATURESLETTER C MARKED ON TOOTH 40 DEG CCW FROM CENTERLINE @OF KEYWAY,LETTER X MARKED ON FACE 6-1/2 TOOTH SPACES CW FROM LETTER C,THREE NO. 8-32 NC BY 1/4 IN. DEEP HOLES ON 1-13/16 IN. DIA BOLT CIRCLE EQUALLY @SPACED ON 2ND END OF GEAR
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY24
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONLEFT
TOOTH FORMSTANDARD


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