61RR250500,REMOVABLE RIVET, .250 HOLE, .063
61RR250500B,REMOVABLE RIVET, .250 HOLE, .063
61RS100,ROTARY ENCODER OPTICAL 100PPR
61RS128,ROTARY ENCODER OPTICAL 128PPR
61RS128-040,ROTARY ENCODER OPTICAL 128PPR
61RS128-080,ROTARY ENCODER OPTICAL 128PPR
61RS256,ROTARY ENCODER OPTICAL 256PPR
61RS256-020,ROTARY ENCODER OPTICAL 256PPR