3020-01-298-2684 GEAR,SPUR Index 3020-01-298-2686 GEAR,SPUR

National Stock Number:
3020-01-298-2685

Federal Supply Class:
3020

National Item Identification Number:
012982685

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:
1002912405606GENERAL DYNAMICS-OTS, INC.


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.4059 INCHES FIRST END
BORE STYLEINVOLUTE SPLINE FIRST END
COUNTERBORE NOMINAL DEPTH0.160 INCHES SECOND END
COUNTERBORE NOMINAL DIAMETER0.750 INCHES SECOND END
FACE NOMINAL WIDTH0.320 INCHES
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER0.740 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM-A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OR STEEL COMP 4140 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.260 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.515 INCHES
NOMINAL OVERALL LENGTH0.580 INCHES
PITCH DIAMETER1.3333 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 8
PRESSURE ANGLE20.0000 DEGREES
SPLINE PITCH DIAMETER0.4688 INCHES NOMINAL FIRST END
SPLINE QUANTITY15 FIRST END
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
TEETH QUANTITY16
TOOTH FORMSTANDARD


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