National Item Identification Number
01-009-4281
010094281
6650-01-009-4281
6650010094281
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)
82577
Reference Numbers (Part Numbers)
3323591
Required Categories
HOLE DIAMETER
OVERALL LENGTH
RECESS DEPTH
MATERIAL
THE MANUFACTURERS DATA
M
Required Description
1.860 INCHES NOMINAL
0.150 INCHES NOMINAL
1.943 INCHES NOMINAL
ALUMINUM ALLOY