1/4" x 1-1/4" 17-4 S/S Black Cast Aluminum Ring Rapid Release Pin / SHANK DIAMETER: 0.249 INCHES NOMINAL RING HANDLE DIAMETER: 1.060 INCHES MAXIMUM DETENT QUANTITY: 2 ACTUATION METHOD: PUSH BUTTON END ITEM IDENTIFICATION: A-MGS-STRYKER GRIP LENGTH: 1.250 INCHES NOMINAL ACTUATION TYPE: PUSH HARDNESS RATING: 38.0 ROCKWELL C NOMINAL SHANK HARDNESS RATING: 25.0 ROCKWELL C NOMINAL DETENT HARDNESS RATING: 38.0 ROCKWELL C NOMINAL SPINDLE SHEAR STRENGTH: 8200 DOUBLE POUNDS PER SQUARE INCH SHOULDER TO HEAD END DISTANCE: 0.780 INCHES MINIMUM PIN ATTACHMENT TYPE: RING DETENT TO TAPERED END DISTANCE: 0.290 INCHES MAXIMUM PART NAME ASSIGNED BY CONTROLLING AGENCY: ALL STAINLESS STEEL PUSH-BUTTON QUICK-RELEASE PIN MATERIAL: STEEL CORROSION RESISTING OVERALL STYLE DESIGNATOR: Q240 RING HANDLE SUPPLEMENTARY FEATURES: MATERIAL-SHANK AND SPINDLE ARE HARDENED 17-4 PH SS;