2530-00-679-4433 HOOK,TRACK LOCKUP Index 3020-00-679-4435 GEAR,SPUR

National Stock Number:
3020-00-679-4434

Federal Supply Class:
3020

National Item Identification Number:
006794434

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:
909980119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER4.750 INCHES AXIALLY THROUGH BODY, FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER2.062 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.843 INCHES
FLANGE NOMINAL DIAMETER5.625 INCHES
FLANGE NOMINAL THICKNESS0.350 INCHES
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-13048,FS-4120 H,FS-8615H,FS-8620H,OR FS-8720H MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.391 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY8 PLAIN AXIALLY THROUGH BODY, FIRST END
NOMINAL OUTSIDE DIAMETER2.873 INCHES
NOMINAL OVERALL LENGTH1.951 INCHES
PILOT NOMINAL LENGTH0.1562 INCHES
PILOT NOMINAL DIAMETER3.873 INCHES
PITCH DIAMETER2.6250 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
TEETH QUANTITY21
TOOTH FORMSTANDARD


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