National Item Identification Number
01-061-6890
010616890
5855-01-061-6890
5855010616890
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)
80063
Reference Numbers (Part Numbers)
SM-C-806418
Required Categories
STYLE DESIGNATOR
HOLE DIAMETER
OVERALL LENGTH
RECESS ANGLE IN DEG
RECESS DEP
Required Description
F3 RECESSED
2.002 INCHES NOMINAL
0.190 INCHES NOMINAL
60.0
0.160 INCHES NOMI