supply of o/h kit for pantograph throttle valve consisting of 4 items. 1)ring gaske...... , o/h kit for pantograph throttle valve consisting of 4 items. 1)ring gasket t o m/s. sil part no. s0080132201 or similar (2)joint for valve to m/s sil part no. s0220131901 or similar (3)piston ring to m/s sil part no. s-0220132101 or similar (4) joint to m/s sil par t no. s0220132601 or similar it should confirm to rdsos specification no. rdso/2008/el/s pec/0066 rev0 dated 20.06.2008 and amend 1 dated 31.12.08 [ warranty period: 30 months a fter the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]