tender for additional ic kit 06 items for wsf make ep unit: 1. o-ring part no. j72050/21 qty-01 no. 2. o-ringpart no. j72050/3 qty-01 no. 3. packing ring part no. j73450/1 qty-01 no. 4. hex nut 2ba nyloc qty-01 no. 5.o-ring part no. j72050/27 qty-01 no. 6. o-ring part no. j72050/11 qty-01 no.