National Item Identification Number
00-789-8176
007898176
6650-00-789-8176
6650007898176
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)
53711
Reference Numbers (Part Numbers)
2493633
2493633
Required Categories
MATERIAL
SURFACE TREATMENT
OUTSIDE DIAMETER
INTERNAL FLANGE THICKNESS
III FS
Required Description
ALUMINUM ALLOY, WW-T-785, T3-CANCELED
ANODIZED, MIL-A-8625, TYPE 2
2.100 INCHE