Imperial NBR O-rings BS1806 NBR O-RINGS 1.78mm cross section 1.78MM C/S. BS001 UP TO BS050 ID SIZES FROM 0.74MM UP TO 133.07MM from £0.00 BS1806 NBR O-Rings 2.62mm cross section 2.62MM C/S. BS102 UP TO BS149 ID SIZES FROM 1.24MM UP TO 71.12MM £0.00 BS1806 NBR O-Rings 2.62mm cross section 2.62MM C/S. BS150 UP TO BS178 ID SIZES FROM 72.69MM UP TO 247.33MM £0.00 BS1806 NBR O-Rings 3.53mm cross section 3.53MM C/S. BS201 UP TO BS250 ID SIZES FROM 4.34MM UP TO 126.60MM £0.00
