supply of ( 1 ) hex head bolt m24 x 90 to is:1364-2002 p-1- 10.9 ( galvo. ) to icf / std-2-2- 009 alt.j item 12. to be procured from branded sources-tvs or unbrako or gkw or lps. ( 2 ) prevailing torque type nut m-24 to is: 7002-2000 10-p ( phosphate coated ) to icf / std-2-2- 009 alt-j item 14. to be procured from branded sources-tvs or unbrako or gkw or lps. ( 3 ) interlock washer suitable for m- 24 bolt to is: icf / std-2-2- 009 alt-j, item 15. ( make- dislock / nordlock / durlock ) items should be packed separately in strong bags. [ warranty period: 30 months after the date of delivery ]