supply of safety bracket for uncoupling gear arrangement.safety bracket for uncoupling gear arrangement.,safety bracket for uncoupling gear arrangement. drawing no. : s.e. railways drawing n o. grc/w-329, alt. nil. material and specification : for items 1 & 2: is: 2062: 2011(rev. 7), amend. no.1 of nov. 2012, grade: e250a; for item 3: is: 1363 (pt. 1): 2023 (rev. 6) ; for item 4: is: 1363 (pt. 3): 201 8 (rev. 5) ; for item 5: is: 3063:1994 (rev. 2), amend. no. 1 of january 2010. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]