Supply Of Draft Key 36 Mm X 152 Mm X 305 Mm For High Capacity Draft Gear. Drawing No. : Rdsos Drg. No. Sketch - 99006, Alt. 2, Item No. 1. Material And Specification : Is: 5517 / 93 2nd. Rev., Amend. 3 / July 2019, Desig. 35mn6mo3 & Rdsos Str No. C-9509 Rev. 2 / Feb. 2007 With Amend. 1 /oct. 2016.