National Item Identification Number
00-879-5849
008795849
5855-00-879-5849
5855008795849
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)
27361
20723
27361
80063
Reference Numbers (Part Numbers)
BP14450
SC-C-599335
SC-C-599335
SC-C-599335
Required Categories
MATERIAL
SURFACE TREATMENT
INTERNAL ANNULAR SERRATION
GUIDE DESIGN
SETSCREW
Required Description
ANY ACCEPTABLE
ANY ACCEPTABLE
NOT PROVIDED
THREAD CHAMFER
PROVIDED
TWO INTE