National Item Identification Number
01-285-9709
012859709
6650-01-285-9709
6650012859709
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)
53711
Reference Numbers (Part Numbers)
5525875
Required Categories
OVERALL LENGTH
MATERIAL
SPECIAL FEATURES
III END ITEM IDENTIFICATION
Required Description
1.250 INCHES NOMINAL
BRASS
125 MICROINCH SURFACE FINISH
GUN MOUNT,MK-75