supply of set of maintenance kit for safety valve 1/4 inch & 3/4 inchset of maintenance kit for safety valve 1/4 inch & 3/4 inch,set of maintenance kit for safety valve 1/4 inch & 3/4 inch for three phase locos. (a) kit f or safety valve (1/4 inch) as per ftrtil part no. -790 024 103- 01 set, each set consisting of :- (i) valv e stem assy., ftrtil part no. - 0241010 00- 01 no. (ii) compression spring, ftrtil part no.- 0248061 00 - 01 no. (b) kit for safety valve (3/4 inch) as per ftrtil part no. -790 024 101 - 03 sets, each set c onsisting of :- (i) valve stem assy., ftrtil part no. - 024102000- 01 no. (ii) compression spring, ftrti l part no.- 024805000 - 01 no. [ 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 ] ]