National Item Identification Number
00-479-7888
004797888
6650-00-479-7888
6650004797888
National Stock Number
Item Name
RETAINER,OPTICAL ELEMENT
Federal Supply Class
6650
Description
A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see CELL, OPTICAL ELEMENT. Excludes RING, EXTERNALLY THREADED.
Commercial and Government Entity Code (Supplier Data)
96214
Reference Numbers (Part Numbers)
715562-1
Required Categories
MATERIAL
SURFACE TREATMENT
DRIVE TYPE
HOLE OR SLOT QUANTITY
WIDTH
DEPTH
IN
Required Description
ALUMINUM ALLOY, WW-T-700/6, T6
CHEMICAL FILM MIL-C-5541 TYPE 1 OR GRADE C CLASS