bids are invited for pl no 60177004 - single coil spring washer to t 10773 and confirming to specn no irst 42 1988 corrigendum no 1 of april 2000 , pl no 60197034 - double coil spring washer to drawing no edo t 1214 , pl no 60197041 - plate screw to rdso t 3913 , pl no 60197042 - plate screw to rdso t 3911 confirming to irs t 16 1981 corrigendum no nil dt 2 6 97 , pl no 60197053 - manufacturing and supply of plate screws 24 mm x 150 mm for use with dowels to drawing no rdso t 3912 irs t 16 81 corrigendum 2 of june , pl no 60217025 - manufacturing and supply of plate screws 24 mm x 150 mm for use with dowels to drawing no rdso t 3912 irs t 16 81 corrigendum 2 of june , pl no 60217026 - fish bolts for maintenance of fish plated joints to rdso t 11501 and con firming to irs t 23 1967 corrigendum no nil dt 5 10 87 total quantity : 17050