4720-00-607-2270 HOSE ASSEMBLY,NONMETALLIC Index 3020-00-607-2272 GEAR,SPUR

National Stock Number:
3020-00-607-2271

Federal Supply Class:
3020

National Item Identification Number:
006072271

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:
105D344305606GENERAL DYNAMICS-OTS, INC.


Techincal Specification:
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE NOMINAL DIAMETER0.748 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH0.250 INCHES
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER1.000 INCHES FIRST END
HUB NOMINAL DIAMETER1.000 INCHES SECOND END
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.094 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.156 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.000 INCHES
NOMINAL OVERALL LENGTH0.500 INCHES
PITCH DIAMETER3.7500 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 8
PRESSURE ANGLE20.0000 DEGREES
SPLINE PITCH DIAMETER0.7190 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY23 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY30
TOOTH FORMSTANDARD


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