National Item Identification Number
00-074-0131
000740131
6650-00-074-0131
6650000740131
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)
04YE2
20723
52808
53711
Reference Numbers (Part Numbers)
1702862
1702862
1702862
1702862
1702862
1702862
Required Categories
MATERIAL
SPECIAL FEATURES
III END ITEM IDENTIFICATION
Required Description
GLASS, BOROSILICATE CROWN
SURFACES TO BE ALUMINIZED TO A THICKNESS PROVIDING OP