National Item Identification Number
00-944-1399
009441399
6650-00-944-1399
6650009441399
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)
09205
18876
Reference Numbers (Part Numbers)
10121189
10121189
Required Categories
STYLE DESIGNATOR
SHOULDER DIAMETER
SHOULDER LENGTH
HOLE DIAMETER
OVERALL LEN
Required Description
F4 SHOULDERED
0.775 INCHES MINIMUM AND
0.795 INCHES MAXIMUM
0.085 INCHES MINI