supply of set of single ferrule fittingsset of single ferrule fittings,set of single ferrule fittings, consisting of 7 items (for air brake system of lhb coaches) to rcf drg. no. l w36005, items-7, 9, 11, 16, 17, 18 & 19, alt-a s.no. description drawing no. item no. qty./set 1 bulkhead union lw360 05, alt. `a 7- 08 nos. 2 standpipe run tee -do- 9-04 nos. 3 bulkhead elbow -do- 11 - 08 nos 4 male stud connector -do- 16 -08 nos. 5 union nut -do- 17 -24 nos. 6 progressive ring -do- 18 -24 nos. 7 standpipe elbow -do- 19 -08 nos [ warra nty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]