supply of poh kit poh kit, poh kit for automatic pressure modification device ( el-60 ) for bmbs fitted on freight stock, consisting of 13 items as under, 1.tube port plug with o-ring - kbi part no. 760837 - qty.-1 no. 2.o-ring - kbi part no. 738362 - qty.-1 no. 3.umbrella valve - kbi part no. 772345 - qty.-1 no. 4.o-ring - kbi part no. 756728 - qty.-1 no. 5.o-ring - kbi part no. 783649 - qty.-1 no. 6.o-ring - kbi part no. 781694 - qty.-2 nos. 7.o-ring special - kbi part no. 771637 - qty.-1 no. 8.o-ring - kbi part no. 749475 - qty.-1 no. 9.diaphragm - kbi part no. 755749 - qty.-1 no. 10.dust boot - kbi part no. 772308 - qty.-1 no. 11.nut elastic stop - kbi part no. 733883 - qty.-2 nos. 12.ring gasket - kbi part no. 772401 - qty.-1 no. 13.ring gasket - kbi part no. 781215 - qty.-2 nos. other technical requirements conforming to rdso specification no.wd-23-bmbs-2008, rev-i with amendment 1 of sep.2016