|
|
|
National Stock Number:
1240-00-171-4222
Federal Supply Class:
1240
National Item Identification Number:
001714222
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.
|
Manufacturer Information:
| 278691PC8 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
|
Techincal Specification:
| MATERIAL | GLASS OPTICAL | | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, TYPE 523-586, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | REFRACTION INDEX | 1.5230 NOMINAL | | POLISHED SURFACE | BOTH | | POLISHED PERIPHERY | NOT PROVIDED | | DIAMETER | 18.000 MILLIMETERS NOMINAL | | THICKNESS | 1.600 MILLIMETERS NOMINAL | | FSC APPLICATION DATA | RANGEFINDER MK 58 |
|
|