supply of washer for centre pivot assy. & shackle lock and lock pin with split pin , washer for centre pivot assy. to rdso drg. no. wd-85079-s/2, alt.-27, item 4. material conform ing to is: 2062- 2011 with amendment no. 1 of nov. 2012, grade: e 250 a, color: red paint (is:5,code:538) for steel plate and is:5192: part- i:1994, grade: z-70. other technical requirements conforming to rdso str no. wx-23008 and inspection check sheet- wx-25002. [ warranty period: 30 months after the date of delivery ] ] , shackle lock and lock pin with split pin dia.(3.5-3.7) x 50 to rdso drg no wd- 85079-s/2, alt-27, item no 7, 8 and 9. material of shackle lock and lock pin conforming to is:1875:1992, cl.-4 with amd.1&2 or is:2 004:1991, cl.-4. split pin material conforming to is:549:2005, mat.-steel (zinc plated). other technical requirem ents conforming to rdso str no. wx-25001 and inspection check sheet- wx- 25002. [ warranty period: 30 months after the date of delivery ] ]