Extension Helical Spring. Specs listed below: NSN 5360-00-535-1924 COMPLETE SPECS: AARX Inside Diameter 0.622 inches nominal ABQK END Style Double twist loop second end AGEK Spring Free Length 13.503 inches nominal APCN Coil Quantity 191 APGF Design Type Closed AXLH Coil Helix Direction Right-hand or left-hand AXLQ Spring Free Outside Diameter 0.750 inches nominal AXMC Hook Radius 0.311 inches nominal both ends MATT Material Steel overall SFTT Surface Treatment Zinc overall STYL Style Designator Cylindrical We look forward to doing business with you very soon L2B7 10326