27 RW

What is the nominal o.d. (mm) for 27 RW?

For 27 RW, nominal o.d. (mm) is 0.41; nominal i.d. (mm) is 0.20; wall thickness (mm) is .102, verified against its source on 2026-08-27.

27 RW 0.41 0.41/0.42 .102 0.20 0.19/0.23

— nesmalltube.com, retrieved 2026-08-27