3020-00-249-1156 GEAR,HELICAL Index 3020-00-249-1158 GEAR,HELICAL

National Stock Number:
3020-00-249-1157

Federal Supply Class:
3020

National Item Identification Number:
002491157

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:
11FSN27C88080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FS27AA88080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSC27DPC188080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSC27PC188080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSL27-3DPC188080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSL27-3PC188080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN27CPC588080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN27PC588080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN29-1PC188080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN29EPC188080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN29PC188080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV


Techincal Specification:
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE NOMINAL DIAMETER1.625 INCHES FIRST END
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH1.750 INCHES
HARDNESS RATING24.0 ROCKWELL C NOMINAL OVERALL
HELIX ANGLE19.8164 DEGREES
HUB NOMINAL DIAMETER2.250 INCHES SECOND END
HUB NOMINAL DIAMETER2.625 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN BOTH ENDS
KEYWAY NOMINAL WIDTH0.375 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,ALLOY NO. 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PITCH DIAMETER9.1680 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.375 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.500 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.000 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER9.416 INCHES
SPECIAL FEATURES3/4 IN. RADIUS BOSS ON BOTH HUBS LOCATED AT BOTTOM OF KEYWAY
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY69
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONLEFT
TOOTH FORMSTANDARD


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