|
|
|
National Stock Number:
6650-01-199-4054
Federal Supply Class:
6650
National Item Identification Number:
011994054
Description:
RING,RETAINING,OPTICAL ELEMENT
Detail:
A CYLINDRICAL ITEM HAVING AN INTERNALLY FLANGED DIAMETER DESIGNED TO RETAIN A LENS OR WINDOW IN THE OBJECTIVE END, OR A DIOPTER SCALE AT THE VIEWING END OF AN OPTICAL INSTRUMENT. IT MAY HAVE ONE OR MORE OF THE FOLLOWING CHARACTERISTICS: INTERNAL THREAD OR MACHINED FOR A PRESS FIT, METHOD OF SECURING, AND/OR KNURLED PERIPHERY. FOR EXTERNALLY THREADED ITEMS, SEE RETAINER, OPTICAL ELEMENT. EXCLUDES CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; AND RING, RETAINING.
|
Manufacturer Information:
| 13144003 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13144003 | 21025 | GENERAL TOOL CO |
|
Techincal Specification:
| INTERNAL FLANGE THICKNESS | 0.277 INCHES MINIMUM AND 0.279 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.099 INCHES MINIMUM AND 2.101 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING | | SURFACE TREATMENT | OXIDE AND PASSIVATE |
|
|