supply of overhauling kit for j1 relay valve to nyab part no. 735690 consisting of 15 items for wdp4/wdg4 locos. , overhauling kit for j1 relay valve to nyab part no. 735690 consisting of 15 items for wdp4/wd g4 locos. 1. piston head to part no. ,735454 -1no 2. ring gasket to part no. 731258 -3nos 3. gasket cover to p art no. 735683 -1no 4. o ring to part no. 737700 -1no 5. o ring to part no. 734686 -3nos 6. valve check with st em to part no. 739275 -1no 7. diaphragm to part no. 739277 -1no 8. spring compression to part no. 755071 -1 no 9. pin to part no. 738945 - 1no 10. spring compression to part no. 739259 -1no 11. carrier check valve to p art no. 739276 -1no 12. pin to part no. 743964 -1no 13. screw hex.nut zinc plated to part no. 755367 - 3 nos 1 4. lock nut hex. zinc plated to part no.773883 - 1 no 15. insert. valve check to part no.dd9282r - 1 no [ warr anty period: 30 months after the date of delivery ] ]