National Item Identification Number
01-318-1828
013181828
6650-01-318-1828
6650013181828
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)
J72B0020-2
Required Categories
MATERIAL
SINGLE LENS STYLE
DIAMETER
WIDTH
AXIAL THICKNESS
ELEMENT LEFT SURF
Required Description
GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE B
D4 DOUBLE CONCAVE
4.880 INCHES NOM