This 8.32" x 4.22" x 1.174" aluminum encloser has a cover and card guides. SPECS: Shielded Housing: Die cast aluminum, alloy A380 or A384; Finish: Blue paint per FED-STD-595, Color No. 25109; Cover 2.03mm (0.080") thick aluminum, Alloy 110-H14; Finish: Clear anodized MIL-A-8625; Screws: (12) 4-40 x 6.35 (.25) Phillips; Max Circuit Board Sizes: 8.03" x 1.49" x .063" thick (Lengthwise) or 3.91" x 1.49" x .063" thick (Widthwise). Made by Pomona and in factory bags marked 4226. These sell elsewhere for $50.00.
G17004

Datasheet Available:Pomona Model 4226