4730-00-849-7239 ELBOW,TUBE Index 1560-00-849-7241 DOOR,AIRCRAFT

National Stock Number:
3120-00-849-7240

Federal Supply Class:
3120

National Item Identification Number:
008497240

Description:
ROLLER,LINEAR-ROTARY MOTION

Detail:
A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes BEARING, ROLLER, CYLINDRICAL; ROLLER, ELECTRICAL SWITCH; and friction bearings. See also CAM FOLLOWER, NEEDLE BEARING.


Manufacturer Information:
4F53347-101A98897LOCKHEED MARTIN CORP


Techincal Specification:
BORE INSIDE DIAMETER1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
COUNTERBORE DIAMETER1.645 INCHES NOMINAL
COUNTERBORE DEPTH0.180 INCHES NOMINAL
FACE WIDTH0.680 INCHES NOMINAL
OUTSIDE DIAMETER2.125 INCHES NOMINAL
MATERIALSTEEL
STYLE DESIGNATORPLAIN, COUNTERBORED


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