Material is aluminum 6061-t6 per fed spec qq-a-250/11. Chemical film in accordance per mil spec mil-c-5541, class 1a. Item has a centrally located 0.500-0.508 x 0.500-0.508 inch square aperature.
색:Green
Mil-c-5541, class 1a, dyed blue mil spec single treatment response overall
Mil-c-5541,class 1a,clear,colorless mil spec single treatment response overall
Mil-c-5541,class 1a,clear,colorless. Mil spec single treatment response overall
Mil-c-5541, class 3, chemical film mil spec single treatment response
Mil-c-5541, class 3 mil spec single treatment response
색:Gray
Mil-c-5541 chemical film, yellow, class 3 mil spec single treatment response
Mil-c-5541, class 3 mil spec single treatment response overall
Amil-c-5541, class ia or class 3 mil spec single treatment response
Mil-c-5541, class 1a or 3 mil spec single treatment response