3020-01-298-2681 GEAR,SPUR Index 3020-01-298-2683 GEAR,SPUR

National Stock Number:
3020-01-298-2682

Federal Supply Class:
3020

National Item Identification Number:
012982682

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:
1002900705606GENERAL DYNAMICS-OTS, INC.


Techincal Specification:
MATERIALSTEEL COMP 4130 OR
STEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A322 ASSN STD 1ST MATERIAL RESPONSE OR
ASTM-A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND
35.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY40
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 8
STYLE DESIGNATORPROTRUDING HUBS
PITCH DIAMETER2.8571 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER2.995 INCHES
FACE NOMINAL WIDTH0.300 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.018 INCHES FIRST END
0.030 INCHES SECOND END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.687 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER0.930 INCHES BOTH ENDS
BODY STYLEWEBBED, WITH LIGHTENING HOLES
SPECIAL FEATURES6 LIGHTENING HOLES 0.500 IN. DIA
THE MANUFACTURERS DATA
MANUFACTURERS CODE05606
DESIGN CONTROL REFERENCE10029007


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