National Item Identification Number
01-172-2226
011722226
6650-01-172-2226
6650011722226
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)
13074701
13074701
Required Categories
STYLE DESIGNATOR
OVERALL LENGTH
RECESS ANGLE IN DEG
THREAD SIZE
MATERIAL
SU
Required Description
F3 RECESSED
0.170 INCHES NOMINAL
30.0
0.562 IN.-32
STEEL, CORROSION RESISTIN