KIPP K0319.A3 SPRING PLUNGER SPRING FORCE D=5/16-18 L=22 STAINLESS STEEL COMP:PIN STAINLESS STEEL PU=10 Material: body 1.4305 (AISI 303 equivalent). Thrust pin 1.4034(AISI 420 equivalent). Spring 1.4310 (AISI 301 equivalent). Version: Bright. Thrust pin hardened. Note: For the inch series, dimension D and S are in inches, all other dimensions are in mm. Drawing reference: 1) grub screw glued in