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National Stock Number:
1240-01-019-0021
Federal Supply Class:
1240
National Item Identification Number:
010190021
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:
| 11743167 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| DIAMETER | 0.940 INCHES NOMINAL | | LENGTH | 0.880 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE B, TYPE 517-645 MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-764, TYPE 303, COND A-CANCELED FED SPEC 2ND MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL AND STEEL COMP 303 | | POLISHED PERIPHERY | PROVIDED |
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