TXT
묘사:
Optical Instrument Window
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.ABMZ
Diameter:
2.440 inches
MRC:
An indication of whether or not a polished periphery is provided.BMSM
Polished Periphery:
Provided
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Glass, optical, mil-g-174, grade b, type 517-642
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Glass, optical, mil-g-174, grade b, type 517-642