3020-01-298-2677 GEAR,SPUR Index 3020-01-298-2679 GEAR,SPUR

National Stock Number:
3020-01-298-2678

Federal Supply Class:
3020

National Item Identification Number:
012982678

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:
1002905705606GENERAL DYNAMICS-OTS, INC.


Techincal Specification:
BODY STYLEWEBBED, SOLID
BORE NOMINAL DIAMETER2.298 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH0.270 INCHES
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER1.000 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 DIAMETER2.652 INCHES
NOMINAL OVERALL LENGTH0.830 INCHES
PITCH DIAMETER0.7188 INCHES NOMINAL
PRESSURE ANGLE30.0000 DEGREES
SPLINE PITCH DIAMETER2.5000 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY30 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
TEETH QUANTITY23
TOOTH FORMSTANDARD


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