supply of quick coupling arrangement (plug and socket assy.) for detachable pressure gauge etc.quick coupling arrangement (plug and socket assy.) for detachable pressure gauge etc.,quick coupling arrangement (plug and socket assy.) for detachable pressure gauge. dra wing no. : rdso,s drg. no. wd-91101-s-05, alt. 5, item 1 to 14 in assembled condition. material and s pecification : as per drawing and conforming to rdsos spec. no. 02 - abr - 2002, amend. 4 of sept. 2 016 , appendix-n. [ warranty period: 36 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] new general stores depot/kgp, west bengal 2148.00 numbers