3120-00-722-8317 (247087)
NSN 3120-00-722-8317 (NIIN 00-722-8317) is a linear-rotary motion roller in Federal Supply Class 3120, Bearings, Plain, Unmounted — 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. Manufacturer part number 247087 (C&H Hydraulics Inc, CAGE 6N016).
Key specs: 58 minimum rockwell c and 62 maximum rockwell c metallic hardness; full characteristics table below. NIIN assigned January 1961; DEMIL A (none required); unit of issue EA (each), $10.95 gov standard price; export Schedule B 8482.99.7090.