|
|
|
National Stock Number:
1240-01-073-1661
Federal Supply Class:
1240
National Item Identification Number:
010731661
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:
| 11507756 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 11507756 | 82577 | RAYTHEON COMPANY |
|
Techincal Specification:
| APERTURE DIAMETER | 1.290 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.018 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.487 INCHES MINIMUM AND 1.491 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8, T6 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-700/6, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 |
|
|