NUTS, SELF-LOCKING, STEEL, CORROSION AND HEAT RESISTANT High Strength, Prevailing-Torque, All Metal 1200° F (649° C) Use, Unified (MIL-S-7742) Thread Form
This specification covers all-metal, self-locking, prevailing-torque nuts, plate nuts, and gang channel nuts made of a corrosion and heat resistant steel.