Fike 3" Rupture Disc (NIB)Lot #9923436 Burst Pressure: 86.21 PSIG @ 72F 75.00 PSIG @ 325.58FType: MRK-5Material: 316Torque: 42.0 FT LB300 ANSI10026359Our Item #C692PLEASE NOTE, WE ONLY SHIP UPS