supply of door latch assembly for lavatory door of lhb coaches as per rcf drawing no. lw56537, alt nildoor latch assembly for lavatory door of lhb coaches as per rcf drawing no. lw56537, alt nil,door latch assembly for lavatory door of lhb coaches as per rcf drawing no. lw56537 , alt nil or latest, note - all welded area to be pickled and passivated before surface finish. it should h ave an elegant finish and there shall be no pittingcorrosion marks on the surface. there shall be no sha rp on the corners. as per drg.no. rcf drawing no. lw56537, alt nil or latest [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]