National Item Identification Number
01-471-6476
014716476
6650-01-471-6476
6650014716476
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)
19200
Reference Numbers (Part Numbers)
12975413
Required Categories
STYLE DESIGNATOR
HOLE DIAMETER
OVERALL LENGTH
RECESS ANGLE IN DEG
RECESS DEP
Required Description
F3 RECESSED
1.740 INCHES NOMINAL
0.169 INCHES NOMINAL
80.0
0.149 INCHES NOMI