GB3452.1-1992标准系列O型圈线径1.8的O型密封圈NBR70橡胶#内径*线径N材质单价1.8 *1.8 N￥0.052.00*1.8 N￥0.052.24*1.8 N￥0.052.5*1.8 N￥0.052.8*1.8 N￥0.05*****1.8 N￥0.053.55*1.8 N￥0.053.75*1.8 N￥0.054.0*1.8 N￥0.054.5*1.8 N￥0.054.87*1.8 N￥0.065.0*1.8 N￥0.065.15*1.8 N￥0.065.3*1.8 N￥0.065.6*1.8 N￥0.066.0*1.8 N￥0.076.3*1.8 N￥0.076.7*1.8 N￥0.076.9*1.8 N￥0.087.1*1.8 N￥0.087.5*1.8 N￥0.088.0*1.8 N￥0.088.5*1.8 N￥TE38.75*1.8 N￥0.099.0*1.8 N￥0.099.5*1.8 N￥0.1010*1.8 N￥0. N￥0. N￥0. N￥0.1111.8 N*1.8 N￥0. N￥0. N￥0. N￥0. N￥0. N￥0. N￥0.16内径*线径N材质单价18.0*1.8 N￥0. N￥0. N￥0. N￥0.2022.4*1.8 N￥0.2123.6*1.8 N￥0.2225.*1.8 N￥0.2325.8*1.8 N￥0.2426.5*1.8 N￥0.2428.0*1.8 N￥0.2630.0*1.8 N￥0.2731.5*1.8 N￥0.2932.5*1.8 N￥0.3033.5*1.8 N￥0.3034.5*1.8 N￥0.3135.5*1.8 N￥0.3236.5*1.8 N￥0.3337.5*1.8 N￥0.3438.7*1.8 N￥0.35Q-Q-69413532140.0*1.8 N￥0.3641.2*1.8 N￥0.3742.5*1.8 N￥0.3843.7*1.8 N￥0.3945.*1.8 N￥0.4046.2*1.8 N￥0.4147.5*1.8 N￥0.4248.7*1.8 N￥0.4450.0*1.8 N￥0.4552.*1.8 N￥0.4853.*1.8 N￥0.5055.*1.8 N￥0.5457.*1.8 N￥0.5663.*1.8 N￥0.5765.*1.8 N￥0.65