Optical Instrument Windows - Page 4 of 11

259 total part numbers.
3000023 Alternates: 217455PC6, 3000018PC12
NSN 1240-00-382-0836
  • Diameter: 31.5 millimeters
  • Thickness: 5.0 millimeters
  • End Application: Telescope mk67 and mk69
  • Refraction Index: 1.5171
  • Dispersion: 64.3 angstroms
232544PC8
NSN 1240-00-382-0958
  • Diameter: 37.0 millimeters
  • Thickness: 3.8 millimeters
  • End Application: Telescope mk74
  • Polished Periphery: Not provided
  • Material: Glass, borosilicate crown
278694PC15
NSN 1240-00-382-1278
  • Diameter: 16.000 millimeters
  • Thickness: 1.600 millimeters
  • Surface Finish: Ground
  • Bevel Depth: 0.900 millimeters
  • Refraction Index: 1.5230
384815PC9
NSN 1240-00-382-1453
  • Diameter: 29.0 millimeters
  • Thickness: 2.3 millimeters
  • End Application: Telescope mk77
  • Polished Periphery: Not provided
201769PC4
NSN 1240-00-389-3540
  • Diameter: 43.0 millimeters
  • Thickness: 4.0 millimeters
  • End Application: Periscope mk26
  • Bevel Depth: 1.0 millimeters
  • Refraction Index: 1.5171
10190762 Alternates: 10044955, 1240004857295, KCII/1235
NSN 1240-00-485-7295
  • Diameter: 111.170 millimeters
  • Thickness: 6.350 millimeters
  • Refraction Index: 1.5230
  • Polished Surface: Both
  • Reflection Reducing Surface: Both
10-30477-1 Alternates: 16819, 16819-04, 4500052
NSN 1240-00-499-4247
  • Width: 8.125 inches
  • Length: 12.188 inches
  • Polished Periphery: Provided
  • Material: Germanium
  • Material: Germanium
5037666
NSN 1240-00-503-7666
  • Diameter: 30.1626 millimeters
  • Thickness: 3.000 millimeters
  • Refraction Index: 1.5170
  • Polished Surface: Both
  • Reflection Reducing Surface: Both
247859-3
NSN 1240-00-527-7084
  • Surface Finish: Polished
  • Polished Surface: Both
  • Reflection Reducing Surface: One
  • Polished Periphery: Not provided
  • Material: Glass, mil-g-16592, grade a
152120PC15 Alternates: 105689PC7
NSN 1240-00-527-7085
  • Surface Finish: Fine ground
  • Polished Surface: One
  • Diffusion Producing Surface: One
  • Polished Periphery: Not provided
  • Material: Glass, mil-g-16592, grade b
220588PC13
NSN 1240-00-527-7096
  • Diameter: 98.000 millimeters
  • Thickness: 12.000 millimeters
  • Refraction Index: 1.5110
  • Polished Surface: Both
  • Reflection Reducing Surface: Both
322979PC7
NSN 1240-00-530-0735
  • Refraction Index: 1.5230
  • Polished Surface: Both
  • Dispersion: 58.6 angstroms
  • Reflection Reducing Surface: Both
  • Polished Periphery: Not provided
3000055
NSN 1240-00-530-0737
  • Width: 196.600 millimeters
  • Length: 254.600 millimeters
  • Refraction Index: 1.5230
  • Polished Surface: Both
  • Dispersion: 58.6 angstroms
3000033 Alternates: 511502-1
NSN 1240-00-530-1320
  • Diameter: 41.500 millimeters
  • Thickness: 4.500 millimeters
  • Bevel Depth: 3.000 millimeters
  • Refraction Index: 1.5171
  • Polished Surface: Both
1073812 Alternates: MIL2041
NSN 1240-00-531-3719
  • Refraction Index: 1.5230
  • Polished Surface: One
  • Dispersion: 58.600 angstroms
  • Diffusion Producing Surface: One
  • Polished Periphery: Not provided
248579PC1
NSN 1240-00-531-3721
  • Diameter: 215.00 millimeters
  • Thickness: 14.229 millimeters
  • Length: 373.000 millimeters
  • Refraction Index: 1.5230
  • Polished Surface: Both
5316361
NSN 1240-00-531-6361
  • Diameter: Between 2.261 inches and 2.264 inches
  • Thickness: Between 0.230 inches and 0.250 inches
  • Bevel Depth: Between 0.010 inches and 0.020 inches
  • Refraction Index: 1.5170
  • Polished Surface: Both
5316365
NSN 1240-00-531-6365
  • Diameter: Between 0.869 inches and 0.874 inches
  • Thickness: Between 0.082 inches and 0.092 inches
  • Bevel Depth: Between 0.005 inches and 0.010 inches
  • Refraction Index: 1.5170
  • Polished Surface: Both
5319096
NSN 1240-00-531-9096
8229032 Alternates: 1240005406185, A11233
NSN 1240-00-540-6185
  • Diameter: Between 1.528 inches and 1.531 inches
  • Thickness: Between 0.240 inches and 0.270 inches
  • Polished Surface: Both
  • Polished Periphery: Not provided
  • Criticality Code Justification: Feat
710-1301
NSN 1240-00-542-8635
  • Diameter: 1.399 inches
  • Thickness: 0.100 inches
  • Surface Finish: Etched
  • Polished Surface: Both
  • Material: Glass
427R475H01
NSN 1240-00-542-8993
  • Diameter: 0.490 inches
  • Thickness: 0.080 inches
  • Surface Finish: Fine ground
  • Material: Glass
  • Material: Glass
710-1317
NSN 1240-00-544-4920
  • Diameter: 1.098 inches
  • Thickness: 0.100 inches
  • Reflection Reducing Surface: Both
  • Polished Periphery: Not provided
  • Material: Glass
523R472H01
NSN 1240-00-544-5014
  • Diameter: 1.256 inches
  • Thickness: Between 0.240 inches and 0.260 inches
  • Surface Finish: Polished
  • Polished Surface: Both
  • Reflection Reducing Surface: Both
523R440H01
NSN 1240-00-546-2525
  • Diameter: 0.751 inches
  • Thickness: 0.250 inches