bids are invited for boq total quantity : 1--1 compression ring - 6 compression spring, part no-6 of csdv stop valve servomotor (bhel assembly drg no:0-12806- 09000) 2 piece 2 guide bush - 7 guide bush, part no-7 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000) 1 piece 3 guide bush - 8 guide bush, part no-8 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000) 1 piece 4 bush, part no. 10 bush, part no-10 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000) 1 piece 5 bush , part no. 11 bush, part no-11 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000) 2 piece 6 ring , 30 x 36 x 5 ring 30x36x5, part no-12 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000) 2 piece 7 gland bush - 13 gland bush, part no-13 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000) 2 piece 8 oil chamber ring - 14 oil chamber ring, part no-14 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000) 2 piece 9 adjusting screw - 18 adjusting screw, part no-18 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000) 2 piece 10 spring support - 22 spring support, part no-22 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000) 3 piece 11 liner - 25 liner, part no-25 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000) 1 piece 12 piston ring - 40 piston ring, part no-40 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000) 4 piece 13 ‘o’ ring 74 x 3, - 41 o-ring 74 x 3, part no-41 of csdv stop valve servomotor (bhel assembly drg no:0-12806-09000)