Optical Instrument Windows

259 total part numbers.
10548621
NSN 1240-00-006-4098
  • Diameter: 2.300 inches
  • Thickness: 0.125 inches
  • Surface Finish: Ground
  • Bevel Depth: 0.200 inches
  • Refraction Index: 1.5170
10548431
NSN 1240-00-007-8428
  • Polished Periphery: Provided
105476PC1
NSN 1240-00-025-0097
  • Diameter: 65.0 millimeters
  • Thickness: 7.0 millimeters
  • Surface Finish: Polished
  • Polished Surface: Both
  • Reflection Reducing Surface: Both
154825PC7
NSN 1240-00-025-0121
  • Diameter: 43.0 millimeters
  • Polished Periphery: Not provided
  • Material: Glass, optical
  • Material: Glass optical
220588PC10 Alternates: G8840PC10
NSN 1240-00-025-0185
  • Diameter: 22.000 millimeters
  • Thickness: 4.000 millimeters
  • Refraction Index: 1.5230
  • Polished Surface: Both
  • Polished Periphery: Not provided

Shop by Manufacturer optical instrument windows

G8840PC16 Alternates: 181146PC13, 220588PC16
NSN 1240-00-025-0186
  • Width: 1.312 inches
  • Thickness: 0.031 inches
  • Length: 1.625 inches
  • End Application: Rangefinder mk42
  • Refraction Index: Between 1.5000 and 1.5200
278693PC3
NSN 1240-00-025-0211
  • Diameter: 24.000 millimeters
  • Thickness: 3.000 millimeters
  • Bevel Depth: 0.700 millimeters
  • Refraction Index: 1.5230
  • Polished Surface: Both
3000049 Alternates: 384815PC10
NSN 1240-00-025-0241
  • Thickness: Between 3.900 inches and 4.100 inches
  • Surface Finish: Polished
  • Bevel Depth: Between 0.250 inches and 0.500 inches
  • Polished Surface: Both
  • Diffusion Producing Surface: Both
105476PC21
NSN 1240-00-026-8073
3000032 Alternates: 164102PC9
NSN 1240-00-026-8095
  • Polished Periphery: Not provided
  • Material: Glass
  • Material: Glass
164102PC10
NSN 1240-00-026-8096
  • Diameter: 45.0 millimeters
  • End Application: Telescope mk. 50
  • Polished Periphery: Not provided
  • Material: Glass
  • Material: Glass
3000080 Alternates: 217426PC1
NSN 1240-00-026-8108
  • Polished Periphery: Not provided
  • Material: Glass, optical
  • Material: Glass optical
279524PC3
NSN 1240-00-026-8140
  • Diameter: 37.0 millimeters
  • Thickness: 4.5 millimeters
  • End Application: Telescope mk74
  • Bevel Depth: 1.0 millimeters
  • Polished Periphery: Not provided
8626291
NSN 1240-00-069-9363
  • Width: Between 1.670 inches and 1.680 inches
  • Thickness: Between 0.150 inches and 0.160 inches
  • Length: Between 1.920 inches and 1.930 inches
  • Bevel Depth: 0.076 inches
  • Polished Surface: Both
10543496
NSN 1240-00-087-7284
  • Diameter: 0.310 inches
  • Thickness: 0.120 inches
  • Polished Surface: Both
  • Polished Periphery: Not provided
  • Material: Glass, dd-g-451, type 1, silvering quality
7653003
NSN 1240-00-099-8211
  • Diameter: 1.406 inches
  • Thickness: 0.125 inches
  • Bevel Depth: 0.020 inches
  • Polished Surface: Both
  • Polished Periphery: Not provided
10514254-1 Alternates: 1240001094451
NSN 1240-00-109-4451
  • Diameter: 106.363 millimeters
  • Thickness: 9.982 millimeters
  • Bevel Depth: 2.997 millimeters
  • Refraction Index: 1.5171
  • Polished Surface: Both
105476PC4
NSN 1240-00-130-8720
  • Diameter: 5.000 inches
  • Length: 0.700 inches
  • Surface Finish: Ground
  • Bevel Depth: 0.500 inches
  • Polished Surface: Both
10555970 Alternates: 1723
NSN 1240-00-133-5849
  • Diameter: Between 3.120 inches and 3.125 inches
  • Thickness: Between 0.140 inches and 0.160 inches
  • Bevel Depth: Between 0.020 inches and 0.030 inches
  • Reflection Reducing Surface: Both
  • Polished Periphery: Not provided
265862PC10
NSN 1240-00-143-1599
  • Diameter: 20.0 millimeters
  • Length: 3.0 millimeters
  • Surface Finish: Ground and polished
  • Refraction Index: 1.5110
  • Polished Surface: Both
278693PC4
NSN 1240-00-155-1366
  • Diameter: 24.0 millimeters
  • Thickness: 3.1 millimeters
  • End Application: Rangefinder mk57
  • Bevel Depth: 0.7 millimeters
  • Refraction Index: 1.5230
278423PC3
NSN 1240-00-155-1431
  • Diameter: 60.000 millimeters
  • Thickness: 2.000 millimeters
  • Bevel Depth: 0.700 millimeters
  • Refraction Index: 1.5170
  • Polished Surface: Both
203034PC3
NSN 1240-00-157-4134
  • Diameter: 2.833 inches
  • Thickness: 0.547 inches
  • Polished Periphery: Not provided
  • Material: Glass
  • Material: Glass
278703PC12
NSN 1240-00-171-4160
  • Surface Finish: Polished
  • Bevel Depth: 1.400 millimeters
  • Refraction Index: 1.5170
  • Polished Surface: Both
  • Dispersion: 64.5 angstroms
236932PC1
NSN 1240-00-171-4161
  • Width: 115.000 millimeters
  • Thickness: 11.180 millimeters
  • Length: 160.000 millimeters
  • Refraction Index: 1.5230
  • Polished Surface: Both