Cylindrical helical compression springs are designed to operate at temperatures from minus 60 to plus 250 °C.
JSC “ZAVOD MIR” produces springs, the design and dimensions of which fully comply with OST 1 11208-73.
Wire 65S2VA, normal accuracy, groups B, C, G GOST 14963-78.
Substitute-wire 65S2VA-Sh of normal accuracy, groups B, V, G, N TU 14-4-70-72.
Kd.9 ammonium chloride phos.ox.gfzh.
Allowed Kd9hr cyanide without free cyan;
An example of the name and designation of a compression spring of standard size 1, first accuracy class, with right-hand winding, cadm-covered, height H0 = 60 mm:
Spring 1-1-1-1-60-OST 1 11208-73.