4810-00-977-3130 SEAT,VALVE Index 3120-00-977-3141 ROLLER,LINEAR-ROTARY MOTION

National Stock Number:
3120-00-977-3140

Federal Supply Class:
3120

National Item Identification Number:
009773140

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:
128LM10153-126512NORTHROP GRUMMAN SYSTEMS CORPORATION
128LM10153-179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BORE INSIDE DIAMETER0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
FACE WIDTH0.360 INCHES MINIMUM AND 0.365 INCHES MAXIMUM
OUTSIDE DIAMETER0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP E4340
METALLIC HARDNESS RATING33.0 MINIMUM ROCKWELL C AND 37.0 MAXIMUM ROCKWELL C
STYLE DESIGNATORPLAIN


Click here to Register for Free 30-day Trial