National Item Identification Number
00-698-5315
006985315
6650-00-698-5315
6650006985315
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)
19200
Reference Numbers (Part Numbers)
7633311
Required Categories
MATERIAL
SURFACE TREATMENT
OVERALL LENGTH
OUTSIDE DIAMETER
MOUNTING CONFIGUR
Required Description
ALUMINUM ALLOY
ANODIZED BLACK
0.188 INCHES NOMINAL
3.300 INCHES NOMINAL
SIX