Back-up rings

SELECT VARIANT
Partnumber Description
BU-510 Back-up ring for OR-510
BU-511 Back-up ring for OR-511
BU-513 Back-up ring for OR-513
BU-516 Back-up ring for OR-516 (BU21 21,0 x 27,0 x 0,9 MM
BU-518 Back-up ring for OR-518 23,4 x 30,0 x 1,4 MM
BU-524 Back-up ring for OR-524 (BU21
BU-528 Back-up ring for OR-528
BU-723 0,9mm back-up ring OR29,82x2,6 BU-723
BU-726 Back-up ring for OR-726