supply of 29440210-set of iv coupler socket outer assembly , set of iv coupler socket outer assembly as per rdso spec. no. rdso/pe/spec/ac/0177 (rev-1)-2013 for 3phase locomotive. a set of consist of 05 items as follows:- (1) coupling socket hous ing (ss body) qty-01 no., (2) hinged cover complete with shorting link, qty-01 no., (3) ratchet assem bly (500amp.) qty-01no., (4)lock liver arm assembly qty-01no., (5) circlip for hinged pin cover qty-0 2 nos. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]