|
|
|
National Stock Number:
6650-00-433-9299
Federal Supply Class:
6650
National Item Identification Number:
004339299
Description:
FILTER,LIGHT,OPTICAL INSTRUMENT
Detail:
AN ITEM HAVING TWO PLANE-PARALLEL SURFACES AND CONSISTING OF A POLARIZING MATERIAL BONDED BETWEEN GLASS OR PLASTIC. THIS ITEM TRANSMITS LIGHT IN ONLY ONE PLANE AND IS USUALLY USED IN PAIRS TO VARY THE LIGHT TRANSMITTED INTO OR THROUGH AN OPTICAL INSTRUMENT. EXCLUDES WINDOW, OPTICAL INSTRUMENT.
|
Manufacturer Information:
| 253383 | 82577 | RAYTHEON COMPANY | | D251550 | 29556 | POLAROID CORPORATION DBA POLAROID |
|
Techincal Specification:
| DENSITY VARIABILITY | NOT VARIABLE | | MATERIAL | GLASS SURFACE | | OVERALL DIAMETER | 4.660 INCHES NOMINAL | | OVERALL THICKNESS | 0.142 INCHES MINIMUM AND 0.174 INCHES MAXIMUM | | SURFACE PARALLELISM | 7.0 MINUTES | | VIEWING SURFACE OVERALL DIAMETER | 4.420 INCHES NOMINAL | | WHITE LIGHT TRANSMISSION IN PERCENT | 22.0 SINGLE FILTER |
|