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National Stock Number: 1240-00-155-1431
Federal Supply Class: 1240
National Item Identification Number: 001551431
Description: WINDOW,OPTICAL INSTRUMENT
Detail: A COLOR FREE ITEM OF TRANSPARENT OR TRANSLUCENT MATERIAL, USUALLY OPTICAL GLASS, HAVING SPECIFIC LIGHT DISPERSIVE AND REFRACTIVE PROPERTIES. THIS ITEM MUST HAVE TWO PLANE-PARALLEL SURFACES AND IS DESIGNED FOR USE IN AN OPTICAL INSTRUMENT TO PROVIDE A BARRIER TO FOREIGN MATTER AND/OR PERMIT LIGHT TRANSMISSION IN OR TO THE OPTICAL SYSTEM.
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Manufacturer Information:
278423PC3 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
BEVEL ANGLE IN DEG | 45.000 NOMINAL | BEVEL DEPTH | 0.700 MILLIMETERS NOMINAL | DIAMETER | 60.000 MILLIMETERS NOMINAL | FSC APPLICATION DATA | RANGEFINDER,FIRE CONTROL | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | MATERIAL | GLASS OPTICAL | POLISHED PERIPHERY | NOT PROVIDED | POLISHED SURFACE | BOTH | REFRACTION INDEX | 1.5170 NOMINAL | THICKNESS | 2.000 MILLIMETERS NOMINAL |
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