Monroe Aerospace MS21209F5-15L, 5/16-24x 1.5D Screw Thread Insert, 155 PiecesCondition:* New Surplus Stock, In OEM Packaging. As Pictured.Additional Notes:* Thread Class: 3b* Length: 0.469″ Nominal* Insert Size: 0.380″ Min,0.400″ Max Free O.D.* Thready Qty Per Inch (tpi): 24* Thread Size: 0.312″* Style Designator: Coil* Thread Series Designator: UnfUNKMS21209F5-15L