Optical Instrument Mirror

Features

Specifications

• Diameter:
  3.247 inches
• Thickness:
  0.280 inches
• End Application:
  1270-01-096-5224
• Reflective Backing Material:
  Aluminized
• Bevel Angle In Deg:
  45.000
• Material:
  Glass, optical, mil-g-174, class 1, grade c, type 517-645
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-01-206-0037
• Special Features:
  Element in accordance with specification mil-0-13830, plano surface polished rim and chamfers ground, surface quali type 80-50, aluminized surface to be in accordance with mil-m-13508, spherical power or astigmatism not to exceed 5 millidiopters by reflection as shown when checked with an observation telescope of at least 1.5 inch aperture