supply of air brake hose coupling completeair brake hose coupling complete,air brake hose coupling complete for brake pipe to rdsos drg. no. sk-73547, item no.1 to 7, a lt. 14, specn. no. 02- abr-02 appendix- f with amend. no. 01 of feb.07 and amendment no. 4 of sept. 2016. material & specification as per drawing. size ( 790+/- 6 mm ) of the air hose will be- type of stock-a as menti oned in the rdso drawing. [ warranty period: 36 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] dsd/bilaspur, secr chhattisgarh 5265.00 numbers