SELF LOCK NYLON NUT/Steel, Tall, 2-56 MS21044N02 pack of 100Self-Locking Hexagon Nut | Nylon Insert, 2-56, Steel, Regular HeightThe hexagonal self-locking nut contains a nylon insert. Made from carbon steel with cadmium type II finish per QQ-P-416. MS21044 series nut.2-56Regular heightCarbon steelPa..