Optical Instrument Windows

2 part numbers
7361205 NSN 6660-01-056-6191
  • between 3.995 inches and 4.000 inches diameter
  • between 0.730 inches and 0.770 inches thickness
  • polished surface finish
  • both polished surface
  • between 40.000 and 50.000 bevel angle in deg
7361253 NSN 6660-01-056-7155
  • between 0.898 inches and 0.900 inches diameter
  • between 0.140 inches and 0.160 inches thickness
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