ad-63764 for supply of instrument fittings . , supply of items as per following specifications , nipple , ss , size: 1/2 nptm , length: 100 , nipple , ss , size: 3/4 nptm , length: 2 . 5 , plug ss 1/2 nptm , coupling 1/2 nptf x 3/8 , coupling 1 npt ( m ) x 1/2 , unequal coupling , ss , size: 3/4 npt ( f ) , equal coupling , ss , size:1/2 npt ( f ) x 1 , nipple , 1/2 npt ( m ) , 150 mm , ss304 , sche , unequal coupling ss , 3/4 nptm x 1/2 np , male connector 1/4 nptm x 6 mm tube , male connector 1/4 nptm x 1/2 od tube , male connector 3/8 nptm x 6 mm od tube , male connector 1/2 nptm x 6 mm od tube , male connector 1/2 nptm x 1/2 od tube , female connector 1/4 nptf x 6 mm tube , union 6 mm od tube , ss , union 1/2 od tube , ss , elbow 1/4 npt ( m ) x 6 mm od , equal tee 6 mm od tube , equal tee 1/2 od tube , hex coupling , 3/8 nptm x 1/2 nptf , 80 , elbow 1/2 npt ( m ) x 1/2 od , elbow 1/4 npt ( m ) x 1/2 od , nipple , 3/4 npt , ss , length: 150 mm , nipple , ss , size: 1/4 nptm , length: 2 . 5 , cap , 3/4 npt , ss304 , female connector 3/4 nptf x 1/2 od tub , plug ss 3/4 nptm