Federal Specification a-a-50552, Nema/ansi Fb-1, Military Specification Number W-F-406d, W-F-406e, W-F-408d, W-S-610d | Contact Manufacturer | Ul 870, Csa c22.2, Iec 60529 | 12.0000 in X 10.2500 in X 4.5000 InSouthern Tier Electric Supply