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National Stock Number: 1240-00-641-2310
Federal Supply Class: 1240
National Item Identification Number: 006412310
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:
279495PC11 | 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 | 1.000 MILLIMETERS NOMINAL | FSC APPLICATION DATA | PERISCOPE MK 20 NOD 6 | LENGTH | 129.920 MILLIMETERS NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, TYPE 523-586, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | MATERIAL | GLASS OPTICAL | SPECIAL FEATURES | 12.20 MM (0.4802 IN.)RADIUS,4 CORNERS | POLISHED PERIPHERY | NOT PROVIDED | POLISHED SURFACE | BOTH | REFLECTION REDUCING SURFACE | BOTH | REFRACTION INDEX | 1.5240 NOMINAL | WIDTH | 83.950 MILLIMETERS NOMINAL | THICKNESS | 8.000 MILLIMETERS NOMINAL |
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