On-Off Toggle Switch, 250VAC 20A, 4 terminal hard wire or 4 1/4" tabs (hardware included), double pole signle throw, fits hole 1/2" round. Many applications, including:  Alto-Sham Oven Models made before 1985: 767-SK, CH-50-1, CH-75-1, CHS-76, Series made before 1985: 100-TH-I, 100-TH-II, 500-TH-II, 750-B, 750-B/TRP, 750-TH-II, 1000-TH-II, CH-100, warmer models made before 1985: 750-B, 750-GDU, 750-GDU/PT, GD-80, GD-80P; Nieco Broiler Gas Series 300, 400, 500, 600, 800, 900; Prince Castle Toaster Series (McDonald's): 212, 212-D, 213, 222-A, 412, 416; Big Mac 6 & 12 Bun Toaster.
 
Replacement part for part numbers: Alto Sham SW-3040; Nieco 4099; Vulcan Hart and Hobart 00-411496-000A7, 411496-000A7, 411496-A7, 00-825101-00020, 825101-00020, and 825101-20; APW 48442-00; Hobart; Prince Castle 78-006 and 78-147S; and Roundup 4010115, 4010115A, and 401K115