National Item Identification Number
01-165-2176
011652176
5855-01-165-2176
5855011652176
National Stock Number
Item Name
RETAINER,OPTICAL ELEMENT
Federal Supply Class
5855
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)
27777
LITTON SYSTEMS INC.
DBA ELECTRO-OPTICAL SYSTEMS
3414 HERRMANN DR.
GARLAND
TX
75041
972-840-7631
80063
Reference Numbers (Part Numbers)
SM-D-850134
SM-D-850134
Required Categories
STYLE DESIGNATOR
HOLE DIAMETER
OVERALL LENGTH
RECESS DEPTH
MATERIAL
SURFACE
Required Description
F3 RECESSED
5.000 INCHES NOMINAL
0.200 INCHES NOMINAL
0.100 INCHES NOMINAL
A