supply of 4 inch single pressure gauge self illuminated, led type with union nut, tail pipe & wash er for motor coach midland drg. no- mc/pg/emu/18, rev-1 or wsf pt. no. ib 70205 or equivalent part o f rdso approved source. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] dmu/bdgm, nr