Special Features:

Material, body, aluminum alloy 7075-t651 per qq-a-225/9; surface treatment inside body, nickle plate, cl 4, gr b, per mil-c-26074; surface treatment outside body, chromate, cl 1a, per mil-c-5541; surface roughness inside body, 32 microinches before plating

Properties:

An electric fitting primarily designed to electrically and mechanically accommodate a lamp. It may include an integral switch, transformer, or dropping resistor, provided these items control the lamp only. It does not include a shade, lens, reflector, or other item for modifying illumination. For items designed to mount on a conduit outlet, or junction box; see fixture, lighting.