Optical Instrument Reticles - Page 5 of 11

251 part numbers
3178520 NSN 6650-00-647-1085 Cross Reference: 248578PC18
8289229 NSN 6650-00-654-6928 Cross Reference: 6650006546928
  • 1.4780 inches diameter
  • 45.0 angle in deg
  • 1.600 inches axial thickness
  • 1.5838 refraction index
  • 46.0 angstroms dispersion
1073951 NSN 6650-00-658-3119
8585216 NSN 6650-00-692-1326
8270618 NSN 6650-00-692-1541 Cross Reference: 1240006921541
  • 1.8900 inches diameter
  • 45.0 angle in deg
  • 0.197 inches axial thickness
  • 1.5838 refraction index
  • 46.0 angstroms dispersion
8619730 NSN 6650-00-731-8388
  • 45.0 angle in deg
  • 400 to 4000 meters scale calibration
  • between 0.366 inches and 0.386 inches axial thickness
  • 1.5838 refraction index
  • 46.0 angstroms dispersion
1879376-3 NSN 6650-00-740-7338
  • glass material
8642-105 NSN 6650-00-757-5162
  • 0.996 inches length
  • 0.003 inches axial thickness
  • copper material
7636816 NSN 6650-00-763-6816
  • 25.0 and 45.0 angle in deg
  • 5 to 20 to 5 mils scale calibration
  • between 0.095 inches and 0.120 inches axial thickness
  • 1.5838 and 1.5230 refraction index
  • ground rim finish
7652798 NSN 6650-00-765-2798
  • 1.1910 inches diameter
  • 45.0 angle in deg
  • 0.156 inches axial thickness
  • 1.5838 refraction index
  • 46.0 angstroms dispersion
7653239 NSN 6650-00-765-3239
  • 45.0 angle in deg
  • 200 to 2000 meters scale calibration
  • between 0.100 inches and 0.120 inches axial thickness
  • 1.5230 and 1.5838 refraction index
  • ground rim finish
7660732 NSN 6650-00-766-0732
  • 1.1250 inches diameter
  • 45.0 angle in deg
  • 0.376 inches axial thickness
  • 1.5838 refraction index
  • 46.0 angstroms dispersion
7673921 NSN 6650-00-767-3921
  • 45.0 angle in deg
  • 0 to 2000 yds, 0 to 2600 yds scale calibration
  • between 0.100 inches and 0.120 inches axial thickness
  • 1.5230 and 1.5838 refraction index
  • ground rim finish
7673922 NSN 6650-00-767-3922
  • 1.0760 inches diameter
  • 45.0 angle in deg
  • 0.120 inches axial thickness
  • 1.5838 refraction index
  • 46.0 angstroms dispersion
7674232 NSN 6650-00-767-4232
  • 2.0300 inches diameter
  • 45.0 angle in deg
  • 0 to 4200 yd scale calibration
  • 0.200 inches axial thickness
  • 1.5840 refraction index
7674312 NSN 6650-00-767-4312
  • 1.0760 inches diameter
  • 45.0 angle in deg
  • 0.120 inches axial thickness
  • 1.5838 refraction index
  • 46.0 angstroms dispersion
7675690 NSN 6650-00-767-5690
  • 1.3740 inches diameter
  • 45.0 angle in deg
  • 0.140 inches axial thickness
  • 1.5838 refraction index
  • 46.0 angstroms dispersion
7675738 NSN 6650-00-767-5738
  • 1.0760 inches diameter
  • 45.0 angle in deg
  • 0.120 inches axial thickness
  • 1.5838 refraction index
  • 46.0 angstroms dispersion
7675745 NSN 6650-00-767-5745
  • 0.8290 inches diameter
  • 45.0 angle in deg
  • 0.120 inches axial thickness
  • 1.5838 refraction index
  • 46.0 angstroms dispersion
7676064 NSN 6650-00-767-6064
  • 1.0760 inches diameter
  • 45.0 angle in deg
  • 0.120 inches axial thickness
  • 1.5838 refraction index
  • 46.0 angstroms dispersion
8212248 NSN 6650-00-774-7078
  • 45.0 angle in deg
  • 200 to 3600 meters scale calibration
  • between 0.100 inches and 0.120 inches axial thickness
  • 1.5230 and 1.5838 refraction index
  • ground rim finish
8293284 NSN 6650-00-779-7294
  • 45.0 and 45.0 angle in deg
  • 200 to 2200 meter scale calibration
  • between 0.137 inches and 0.157 inches axial thickness
  • 1.5230 refraction index
  • ground rim finish
1575543 NSN 6650-00-788-1461
  • cross line graduations/markings
  • prism attached to back side special features
  • special style designator
8293434 NSN 6650-00-818-2741 Cross Reference: 1240008182741
  • 1.8900 inches diameter
  • 45.0 angle in deg
  • 8-12-16-20 mils scale calibration
  • 0.197 inches axial thickness
  • 1.5838 and 1.5230 refraction index
53-14-30 NSN 6650-00-832-4580