supply of hex lock nut pg21,pg16 & end fitting pg11hex lock nut pg21,pg16 & end fitting pg11,hex lock nut with nickel plated brass pg thread to size pg16 to rdso/pe/spec /ac /0138 2009 rev-1, annexure - a, table a-10, s.no.-4. [ warranty period: 30 months after the da te of delivery ] ] , hex lock nut with pg brass metal thread to rdso pe spec ac 0138 2009 rev 1 a nnexure - a, pg21 table a-10, s.no.5 . [ warranty period: 30 months after the date of delivery ] ] , end fitting pg-11 with dimensions as per edts-291,corr-1&2,tab-4, item-2 to r dso/pe/spec/ac/0138 latest. [ warranty period: 30 months after the date of delivery ] ] => limited