National Item Identification Number
00-295-3609
002953609
6650-00-295-3609
6650002953609
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)
89954
Reference Numbers (Part Numbers)
153C5428P1
Required Categories
STYLE DESIGNATOR
SHOULDER DIAMETER
SHOULDER LENGTH
HOLE DIAMETER
OVERALL LEN
Required Description
F4 SHOULDERED
1.930 INCHES MINIMUM AND
1.940 INCHES MAXIMUM
0.170 INCHES MINI