National Item Identification Number
01-317-7579
013177579
6650-01-317-7579
6650013177579
National Stock Number
Item Name
LENS,OPTICAL INSTRUMENT
Federal Supply Class
6650
Description
An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
J72B0029-1
Required Categories
MATERIAL
DIAMETER
AXIAL THICKNESS
Required Description
GLASS, OPTICAL, MIL-G-174, GRADE B, TYPE 517-642
3.836 INCHES NOMINAL
1.030 IN