supply of socket for 25 mm nominal bore pipe (swiv [socket for 25 mm nominal bore pipe (swivel flange) for air brake coaches to drg. no.icf/sk-3-5-232, alt.d/nil, col.i. item. 4. one sample to be approved before bulk supply.]socket for 25 mm nominal bore pipe (swiv [socket for 25 mm nominal bore pipe (swivel flange) for air brake coaches to drg. no.icf/sk-3-5-232, alt.d/nil, col.i. item. 4. one sample to be approved before bulk supply.],socket for 25 mm nominal bore pipe (swivel flange) for air brake coaches t o drg. no.icf/sk-3-5-232, alt.d/nil, col.i. item. 4. one sample to be approved before bulk supply. [ w arranty period: 30 months after the date of delivery ] ]