O-rings are used for axial fixation of parts on shafts and in holes.
The design and dimensions of the rings produced by ZAVOD MIR JSC comply with OST 1 10241-71.
– wire B-2A GOST 9389-75;
– wire 65S2VA-E-KhN-0.8; wire 65S2VA-G-KhN-d GOST 14963-78. It is allowed to make rings from wire 65S2VASH-N TU 14-4-70-72;
And others in accordance with OST 1 10241-71, OST 1 10242-71, OST 1 10243-71.
An example of the name and designation of a spring circular ring for a shaft (hole) diameter D0 = 30 mm from wire B-2A:
Ring 30-Kd-OST 1 10241-71
Ring 30-Chem.Phos.Ox.GFZH-OST 1 10241-71