supply of draft key (36 mm x 152 mm x 305 mm) for high capacity draft gear. rdsos drg. no. sketch - 99006, alt. 2, item no. 1. matl. and specn. is: 5517 / 93 (2nd. rev.), amend. 2 / aug. 2006, desig. 35mn6mo3 & rdsos str no. c-9509 (rev. 2 / feb. 2007).
