AS568-120 discussions
AS568-120: 1 discussion. AS568 dash numbers for FFKM O-rings: reading cross-section families, the three "25 mm" rings, and the Kalrez shrinkage note
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AS568 dash numbers for FFKM O-rings: reading cross-section families, the three "25 mm" rings, and the Kalrez shrinkage note
**Short answer:** An AS568 dash number fixes both the inside diameter (ID) and the cross-section (CS) of an O-ring. In the DuPont Kalrez AS-568 dimensions table, sizes -004 to -050 are 1.78 mm (.070 in) cross-section and the -1xx sizes are