Ordering Description Product number Description: OR-A3 ORIFICE (A-3 & T-4) Product number: 0386-1001 Description: OR-A5 ORIFICE (A-5 & MSA-8) Product number: 0386-1002 Description: OR-A8 ORIFICE (A-8 & T-5) Product number: 0386-1003 Description: OR-A14 ORIFICE (A-14) Product number: 0386-1005 Description: OR-A32 ORIFICE (A-32) Product number: 0386-1006