NSN 3120-00-405-4922

Part Details | LINEAR-ROTARY MOTION ROLLER

3120-00-405-4922 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.

Alternate Parts: 2531574, 2531574, 3120-00-405-4922, 00-405-4922, 3120004054922, 004054922

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31APR 05, 197100-405-492228215 ( ROLLER, LINEAR-ROTARY MOTION )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 3120-00-405-4922
Part Number Cage Code Manufacturer
253157410001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
253157453711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3120-00-405-4922
Characteristic Specifications
MATERIAL STEEL
METALLIC HARDNESS RATING45.0 MINIMUM ROCKWELL C AND 50.0 MAXIMUM ROCKWELL C
CASEHARDENING INDICATOR NOT CASEHARDENED
STYLE DESIGNATOR PLAIN
OUTSIDE DIAMETER0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
FACE WIDTH0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
BORE INSIDE DIAMETER0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM
SPECIAL FEATURESMAGNETIC PARTICLE INSPECTION MIL-I-6868