procurement of various rubber items for 8.5 e 9 abl make coal mills installed in unit no 1 to 4 of ph i and ph ii sgtps mppgcl birsinghpur-flange coupling for piv gear boxes ( as per drawing ) one set contains: . flange — 2 nos. coupling bolt — 4 nos. nut-=-4-nos.? nitril rubber bush = 4 nos. plane washer = 8 nos. spring washer = 4 nos. coupling key — 2 nos. — coupling nut-bolt for piv gear boxes ( as per drawing ) one set contain: . love joy coupling for id / rd fan u#3 l-95 with rubber spider for loprs with finished bore and key lock screw 4.1 bore size key way motor side 24mm 7x4mm pump side 15mm sx3mm material: -aluminum 4.2 love joy coupling for pa fan u#4 l-75 with rubber spider for lops with finished bore and key lock s crc w bore size key way motor side 13.5mm 5x3mm pump side 13.5mm 5x3mm material: -aluminum 5 relief gate ( as per drg. ) material : en-24 6 swivel bolt with nut & spring washer material: swivel bolt:- en-24, nut:- en -24 7 stirrup pad coupling bolt = 1 no. 2 nut:=.l.no.. nitril rubber bush — 1 no. plane washer — 2 nos. spring washer — 1 no. love joy coupling 1-100 with rubber spider for loprs with finished bore and key lock