Materials:

Shielded Housing: Extruded Aluminum, Alloy 6063-ST
Finish: Blue baked enamel per Federal Standard 595, #25109 over primer wash per DOD-P-15328.
Cover: 2 each, 2.03 (.080) thick Aluminum, Alloy 1100-H14
Finish: Clear anodized per MIL-A-8625
Screws: 16 each #4-40 x 6.35 (1/4”) Flat head with blue zinc plating

Ratings:

Operating Temperature: +150°C (+302°F) Max.