3020-01-060-4178 GEAR,HELICAL Index 3020-01-060-4180 GEAR,SPUR

National Stock Number:
3020-01-060-4179

Federal Supply Class:
3020

National Item Identification Number:
010604179

Description:
GEAR,INTERNAL

Detail:
A GEAR WITH TEETH FORMED ON THE INNER SURFACE OF A CYLINDER OR CONE.


Manufacturer Information:
91201249956RAYTHEON COMPANY
912012-13B150RAYTHEON COMPANY
912012-149956RAYTHEON COMPANY
912012-154X10RAYTHEON COMPANY


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER9.250 INCHES AXIALLY THROUGH FLANGE
FLANGE NOMINAL DIAMETER10.500 INCHES
FLANGE NOMINAL THICKNESS0.312 INCHES
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.374 INCHES AXIALLY THROUGH FLANGE
MOUNTING HOLE TYPE AND QUANTITY10 PLAIN AXIALLY THROUGH FLANGE
NOMINAL OUTSIDE DIAMETER7.750 INCHES
NOMINAL OVERALL LENGTH1.000 INCHES
PITCH DIAMETER6.8333 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORFLANGED RING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
TEETH QUANTITY82
TEETH TYPESPUR
TOOTH FORMSTUB


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