tender for leader nut with dog pin (for slack adjuster type irsa-600) drg.no.(1) wd-82064-s-02-rc, alt.7, item no.1. (2) wd-82064-s-05-rc, alt.7, item no. 3. guaranty = for aperiod of 36 months from the date of supply or 24 months after putting intoservice, whichever is earlier ( for details please see rdso specn. no.07-abr-92, amend.no.5).