part number: MS21044N4 MS21044N4 SELF-LOCKING NUT Self-locking nut, regular height For temperatures up to 250° F Nut Material: Steel, cadmium plated Insert Material: Non-metallic Thread: 1/4-28 Supercedes part numbers 404-888, 406-682,... MSRP: Now: $0.45 Add to Cart part number: MS21044N4 MS21044N4 SELF-LOCKING NUT MSRP: Now: $0.45 Add to Cart Compare Selected