부품 정보
Element in accord with specification mil-o-13830; spherical power not to exceed 3 fringes, astigmatism 2 fringes; light deviation not to exceed 2 minutes (0.033 deg) of arc; surfaces quali type 80-50; used on periscope and howitzers m109a2 and m109a3
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:
Between 1.740 inches and 1.745 inches
MRC:
A measurement of the smallest dimension of an item,in distinction from length or width.ABNM
Thickness:
Between 0.240 inches and 0.250 inches
MRC:
An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.AGYE
Surface Finish:
Ground and polished
MRC:
An inside measurement between specified points on the bevel,in distinction from height.AJEF
Bevel Depth:
Between 0.020 inches and 0.030 inches
MRC:
An indication of the polished surface/s/ on the item.BMSG
Polished Surface:
Both
MRC:
An indication of whether or not a polished periphery is provided.BMSM
Polished Periphery:
Provided
MRC:
The angle of the bevel,expressed in degrees.BMSP
Bevel Angle In Deg:
Between 42.000 and 48.000
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Glass, optical, mil-g-174, grade d, type 523-586
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Glass, optical, mil-g-174, grade d, type 523-586
