National Item Identification Number
01-290-0454
012900454
6650-01-290-0454
6650012900454
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)
04939
Reference Numbers (Part Numbers)
717512839-001
Required Categories
III END ITEM IDENTIFICATION
THE MANUFACTURERS DATA
MANUFACTURERS CODE
DESIGN
Required Description
LOW ALTITUDE NAVIGATION AND TARGETING INFRARED SYSTEM
04939
717512839-001