supply of procurement of pin for bolster spring suspension to drg. no.- t-0-5-637, alt.-12/p, is:5517-93 gr 45c8, c. rly a. hardening, tempering & magnaflux testing to be done as note 1 & 2 of drg. no. t-0-5-637, alt.-12/p.procurement of pin for bolster spring suspension to drg. no.- t-0-5-637, alt.-12/p, is:5517-93 gr 45c8, c. rly a. hardening, tempering & magnaflux testing to be done as note 1 & 2 of drg. no. t-0-5-637, alt.-12/p.,pin for bolster spring suspension to drg. no.- t-0-5-637, alt.-12/p, is:5517-93 gr 45c8, c. rly a. hardening, tempering & magnaflux testing to be done as note 1 & 2 of drg. no. t-0-5-637, alt.- 12/p. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]