supply of straight pg metal threaded end fitting pg21 , straight pg metal threaded end fitting pg21 fits to conduit size nw 23, annexur e a, tab. a2, s.no. 8, with brass nickel plated lock nut with suitable o ring & washer as per rdso specifiction no.: rdso/pe/spec/ac/0138-2009(rev. 1). [ warranty period: 30 months after the d ate of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , straight metric metal thread end fitting to conduit size nw-17 having thread si ze m20x105 with hexagonal metric lock nut made of nickel plated brass of size m20x105 wit h suitable o-ring and washer confirmingto rdso specification no. rdso/pe/spec/ac/0138-2009( rev.1) [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]