National Item Identification Number
00-658-3125
006583125
6650-00-658-3125
6650006583125
National Stock Number
Item Name
PRISM,OPTICAL INSTRUMENT
Federal Supply Class
6650
Description
A transparent item with at least two polished plane surfaces inclined toward each other, designed for use in optical instruments to reflect and/or refract a beam of light. It may have one or more mirrored surfaces for greater reflection. Includes optical wedges used to divert paths of light by refraction, but to a lesser degree. See also BEAM SPLITTER, OPTICAL INSTRUMENT.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
1575489PC1
Required Categories
MATERIAL
STYLE DESIGNATOR
Required Description
GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE A, TYPE 517-642 AND
GLASS,OPTICAL,MIL