3020-00-455-2925 GEAR,SPUR Index 3020-00-455-2929 GEAR,BEVEL,TAIL TAKE OFF MAIN GEARBOX

National Stock Number:
3020-00-455-2928

Federal Supply Class:
3020

National Item Identification Number:
004552928

Description:
GEAR,SPUR

Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.


Manufacturer Information:
S6137-23076-121540PRECISION GEAR INDUSTRIES LLC
S6137-23076-178286SIKORSKY AIRCRAFT CORPORATION
S6137-23076-182001PCX AEROSTRUCTURES, LLC
S6137-23076-1A0126LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEWEBBED, OFFSET, SOLID
BORE NOMINAL DIAMETER4.000 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH0.312 INCHES
FIRST GROOVE NOMINAL DIAMETER4.4010 INCHES FIRST END
FIRST GROOVE NOMINAL WIDTH0.1725 INCHES FIRST END
HUB STYLE DESIGNATOR1 GROOVE FIRST END
HUB NOMINAL DIAMETER4.6205 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.265 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY8 PLAIN AXIALLY THROUGH BODY, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.016 INCHES FIRST END
NOMINAL DISTANCE FROM END TO FIRST GROOVE0.2400 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER7.000 INCHES
PITCH DIAMETER6.8333 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
TEETH QUANTITY82
TOOTH FORMSTUB


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