This listing features a 10 Pack of Heyco 8463 Strain Relief Locking Nuts, a new old stock (NOS) industrial surplus component. These Heyco 8463 locking nuts are 1/2" NPT threaded nuts designed for strain relief applications, directly replacing Heyco part number 2613. As versatile industrial nuts, these Heyco 8463 components function as essential electrical nuts, cable gland nuts, and conduit nuts. Each black hex nut provides secure fastening for various industrial and electrical installations.