Optical Instrument Mirror

Features

Specifications

• Width:
  3.120 inches
• Diameter:
  2.000 inches
• Thickness:
  3.380 inches
• Length:
  4.500 inches
• End Application:
  Calibration of machine rails, surface plates, optical elements; autocollimators
• Usage Design:
  Highly reflective mirror positioned at 90degrees to the surface onwhich it rests; suitable for use with most highly sensitive autocollimators
• Reflective Backing Material:
  Glass, mil-o-13830, type 620-603
• Reflection Reducing Surface:
  Both
• Features Provided:
  Mounting attachment
• Part Name Assigned By Controlling Agency:
  Precision carriage mirror
• Material:
  Quartz
• Supplementary Features:
  Mirror surfaces are perpendicular to bottomn pads within 2 arc seconds; auto indication of autocollimator parrallelism with work surface; contact pads on front and sides of base
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-01-582-1454
• Special Features:
  Flatness 1/5 fringe; parallelism 1 arc second; mount stainless steel base with aluminum coating and protective overcoat per mil-m-13508-finish ivory enamel; height to mirror center 3inches; dimensions include mount except for diameter of mirror