MIL-PRF-24236C, PERFORMANCE SPECIFICATION SWITCHES, THERMOSTATIC, (METALLIC AND BIMETALLIC), GENERAL SPECIFICATION FOR (3 SEP 1999) [SUPERSEDING MIL-S-24236B]., This specification covers the general requirements for metallic-element actuated, thermostatic switches intended primarily for use in electrical and electronic equipment, in alternating current (ac) and direct current (dc) applications, where temperature protection, overheat detection, or accurate temperature control is required. The operating temperatures and operating temperature ranges of switches are covered by this specification (see 3.1 and 6.2.2).