Piping Material Specification 3SV0S01, Class 300, Alloy 254 SMO (UNS S31254), 0.000" C.A., Utility (PTFE Packing/Gaskets)
standard by Process Industry Practices, 05/01/2001

Piping Material Specification 3SV0S01, Class 300, Alloy 254 SMO (UNS S31254), 0.000" C.A., Utility (PTFE Packing/Gaskets)
standard by Process Industry Practices, 05/01/2007

Piping Material Specification 3SV0S01, Class 300, Alloy 254 SMO (UNS S31254), 0.000" C.A., Utility (PTFE Packing/Gaskets) [Complete Revision]
standard by Process Industry Practices, 05/01/2016