supply of set of o ring consisitng four items , set of o ring consisitng four items for 3 phase emu traction motor type tme 48-45-6 fitted in medha rake 1.0 -ring din3771-290x2-n -nbr 70, medha part no. sptsa 700013 p0023 -qty. 1no. 2.o- ring din3771-300x5.3, medha part no. sptcon o ring300x5.3-qty-1 no. 3.0- ring din3771-500x4 -n-nbr 70, medha part no.sptsa 700013p0024-qty.01 no.4.0-ring din3771- 180x4-n-nbr 70, medha part no.sptsa 700013p0025-qty.01 no. [ warranty period: 30 months af ter the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]