3020-00-163-5830 GEAR,SPUR Index 3010-00-163-5834 BELLOWS,PRESSURE

National Stock Number:
3020-00-163-5831

Federal Supply Class:
3020

National Item Identification Number:
001635831

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:
65850-05152-10121540PRECISION GEAR INDUSTRIES LLC
65850-05152-10178286SIKORSKY AIRCRAFT CORPORATION
65850-05152-10182001PCX AEROSTRUCTURES, LLC


Techincal Specification:
BODY STYLEPLAIN, WITH LIGHTENING HOLES
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER0.791 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.137 INCHES
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER1.210 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
KEYWAY NOMINAL WIDTH0.190 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4340 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.215 INCHES SECOND END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.470 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER3.713 INCHES
PITCH DIAMETER3.5714 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
PRESSURE ANGLE25.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENTPHOSPHATE OVERALL
TEETH QUANTITY50
TOOTH FORMSTANDARD


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