supply of contact springs in sets for q relayscontact springs in sets for q relays,contact springs in sets for q relays. each set comprising of: 1) fixed spring to drg .no.qca 26970-alt-4 - 16 nos. 2) moving spring to drg.no.qca 23971 alt-7 - 16 nos. 3) support sprin g to drg.no.qca 27972 alt-6 - 4 nos. (each item to be packed separately in polythene bags contai ning following quantities of springs along with adequate quantity of silica gel packed in cott on bags to avoid ingress of moisture. 1) fixed spring: 1600 nos., 2) moving spring: 1600 nos., 3) s upport spring: 400 nos.) [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]