National Item Identification Number
01-148-1547
011481547
6650-01-148-1547
6650011481547
National Stock Number
Item Name
RING,RETAINING,OPTICAL ELEMENT
Federal Supply Class
6650
Description
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.
Commercial and Government Entity Code (Supplier Data)
82577
Reference Numbers (Part Numbers)
3491056
Required Categories
MATERIAL
THREAD LOCATION
THREAD SIZE
SCREW THREAD SERIES DESIGNATOR
THREAD C
Required Description
STEEL
INTERNAL
3.200-32
UNS
2B
3.1797 TO 3.1855 INCHES
0.125 INCHES
RIGHT