3020-00-136-1438 LINK,ROLLER CHAIN Index 3020-00-136-1440 CHAIN,ROLLER

National Stock Number:
3020-00-136-1439

Federal Supply Class:
3020

National Item Identification Number:
001361439

Description:
SPROCKET WHEEL

Detail:
A toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. It is usually used for transmitting power.


Manufacturer Information:
0675250047106ITEK CORP ITEK GRAPHIC PRODUCTS DIV
6752547106ITEK CORP ITEK GRAPHIC PRODUCTS DIV


Techincal Specification:
DISTANCE FROM HUB END TO FLANGE END0.282 INCHES NOMINAL BOTH ENDS
BORE DIAMETER0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM
BORE LENGTH0.344 INCHES NOMINAL
BORE TYPESTRAIGHT
DESIGN FORMPLAIN
FACE WIDTH0.055 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
FIRST STEP DIAMETER0.755 INCHES MINIMUM AA END
FIRST STEP DIAMETER0.765 INCHES MAXIMUM BB END
FIRST STEP LENGTH0.219 INCHES NOMINAL AA END
HARDNESS RATING TEST METHODNOT RATED
HOLE LOCATIONLOCATION ON HUB PORTION OF GEAR BETWEEN HUB AND FACE,HOLES 180 DEG APART
HUB OUTSIDE DIAMETER0.687 INCHES NOMINAL BOTH ENDS
OUTSIDE DIAMETER0.995 INCHES NOMINAL
OVERALL LENGTH0.344 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING
PITCH DIAMETER0.943 INCHES NOMINAL
PROTRUDING HUB CHARACTERISTICSTEPPED
SECOND STEP LENGTH0.073 INCHES MAXIMUM BB END
SECOND STEP LENGTH0.063 INCHES MINIMUM AA END
SECURING HOLE QUANTITY2
SECURING LOCATIONAA END
SECURING METHODDRILLED HOLE
STYLE DESIGNATORPLAIN
SURFACE TREATMENTPASSIVATE
TAPERED HOLE SIZENMUBER 39
TEETH QUANTITY PER ROW20
TEETH ROW QUANTITY1
TOOTH PITCH0.1475 INCHES NOMINAL


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