4140-01-204-5878 FAN,TUBEAXIAL Index 3020-01-204-5880 SPROCKET WHEEL

National Stock Number:
3020-01-204-5879

Federal Supply Class:
3020

National Item Identification Number:
012045879

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:
12292420-419207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
DISTANCE FROM HUB END TO FLANGE END0.520 INCHES NOMINAL AA END
BORE DIAMETER0.627 INCHES NOMINAL
BORE LENGTH0.625 INCHES NOMINAL
BORE TYPESTRAIGHT
DESIGN FORMPLAIN
DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY0.315 INCHES NOMINAL
FURNISHED ITEMSKEYING FACILITY AND BORE BEARING
FACE WIDTH0.105 INCHES NOMINAL
HARDNESS RATING TEST METHODROCKWELL
HUB OUTSIDE DIAMETER1.156 INCHES NOMINAL AA END
KEYING FACILITY TYPEKEYWAY
KEYWAY WIDTH0.002 INCHES NOMINAL
LUBRICATION MODENO VISIBLE MEANS
OVERALL LENGTH0.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 1030 ASSN STD 1ST MATERIAL RESPONSE AND AISI 4140 ASSN STD 2ND MATERIAL RESPONSE
MATERIALSTEEL COMP 1030 OR STEEL COMP 4140
METALLIC HARDNESS RATING AND LOCATION35.0 ROCKWELL C MINIMUM BODY AND 50.0 ROCKWELL C MAXIMUM BODY
PITCH DIAMETER1.618 INCHES NOMINAL
QUANTITY1
STYLE DESIGNATORPLAIN
SURFACE TREATMENTPHOSPHATE MANGANESE
TEETH HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
TEETH QUANTITY PER ROW10
TEETH ROW QUANTITY1
TOOTH PITCH0.500 INCHES NOMINAL


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