C45931-014-4 U-Clip, Black Phosphate and Oiled (Pack Qty 2,000) BC-366461

Offers the same functional advantages as a J-type nut but is designed for applications where the spring nut's lower leg must bear fully. Made from SAE 1050 or higher carbon steel. Hardness specifications by material thickness: For material thickness 0.017-0.024 in., Rockwell 30N C40 minimum, C50 maximum. For material thickness 0.025-0.039 in., Rockwell 45N C40 minimum, C50 maximum.