Nominal size i.D.:1/4 in Nominal size o.D.:3/8 in I.D. Min:0.2490 in I.D. Max:0.2500 in O.D. Min;0.3800 in O.D. Max:0.3810 in Length ::1/2 in Length tolerance:+/-0.005 in Flange o.D.1/2in Flange o.D. Tolerance:+/-0.005 in Flange thickness :1/16 in Flange thickness tolerance:+/-0.005 in Min. Temperature:10 Max. Temperature:220 P value (max.):2000 V value (max.):1200 Pv value (max.):50000 N/m