supply of gasket for common pipe bracket to rdso drg. no. wd-83062-s-01, alt. 1. material and specification conforming to rdso specification. no. 02-abr-2002, amdt-4 of sept 2016gasket for common pipe bracket to rdso drg. no. wd-83062-s-01, alt. 1. material and specification conforming to rdso specification. no. 02-abr-2002, amdt-4 of sept 2016,gasket for common pipe bracket to rdso drg. no. wd-83062-s-01, alt. 1. material and sp ecification conforming to rdso specification. no. 02-abr-2002, amdt-4 of sept 2016 [ warranty period : 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted : max 8 lacs ] ]