supply of hinged cover for blind socket assembly etc.hinged cover for blind socket assembly etc.,hinged cover for blind socket assembly of zs coupling for lhb type ac coaches conforming to r cf specification no-edts-105, rev. e with amendment no. 1, 2 and 3 [ warranty period: 30 months after the date of delivery ] , conduit seal ring set with suitable screws and washers for adapter assemble in inter- vehicle coup ler zs jumper plug, as per rcf spec. no. edts-105 rev e, with amend 1,2 &3 similar to s-international part n o. si/lhb/jpa/05 or maa laxmi industry part no.mli/lhb/jpa-12. necessary photo/ drawing is enclosed. [ warranty period: 30 months after the date of delivery ] => limited