|
|
|
National Stock Number:
6650-00-043-5850
Federal Supply Class:
6650
National Item Identification Number:
000435850
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:
| 2478903 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 2478903 | 53711 | NAVAL SEA SYSTEMS COMMAND |
|
Techincal Specification:
| APERTURE DIAMETER | 0.198 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.020 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.374 INCHES NOMINAL | | OVERALL LENGTH | 0.175 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 | | PRESS FIT INSIDE DIAMETER | +0.253 TO 0.255 INCHES | | SPECIAL FEATURES | TOLERANCE FOR DIM. 0.374 IN. OD,TO BE PLUS 0.001 MINUS 0.000 |
|
|