supply of lubricated taper plug valve / m.s.black punched washerlubricated taper plug valve / m.s.black punched washer,shim for 100mm lubricated taper plug valve to rdso drg. no.wd- 93066-s-05, alt- 1. & material to is: 410-1977 with amendment 1 and 2 or ms nickel plated [ warranty period: 30 months after the date of delivery ] ] , gland for 100mm lubricated taper plug valve to rdso drg. no.wd-93066-s-09, alt-2 & conforming to specification no. wd- 06 -tpv- 93, rev .1 [ warranty period: 30 months after the date of delivery ] ] , 100mm lubricated taper plug valve assembly for bptn wagon to rdso drg.no.wd-93066-s-01,alt-2 and conforming to specifi cation no.wd-06 tpv-93 amd.1 of dec.97. [ warranty period: 30 months after the date of delivery ] ] , m.s.black punched washer of size 18mm bore suitable for m16 bolt conforming to is:2016-1967 (1st revison)with amendmen t no.4 of october1982, table-2,typeaand material to is2062:2011(7th revision)with amendmentno.1 of nov.2012,grade e250a. [ warranty period: 30 months after the date of delivery ] ]