tender for 203.2 mm x 95.25 mm [8 inch x 3.3/4 inch] bogie mounted air brake cylinder withslack adjuster to rdso drg. no..sk.81057 alt11..item no.2 with working stroke 40 mm.[the cylinder body to rdso sketch no 81201 air inlet and exhaust position should be180 degree apart on verticle centre line i.e. top and bottom side].this item isprocurement from icf approved sources only.