National Item Identification Number

01-087-0586
010870586
6650-01-087-0586
6650010870586

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)

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18876

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74067

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KEUFFEL AND ESSER CO
701 AZON RD
290
JOHNSON CITY
NY
13790
607-797-3600

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Reference Numbers (Part Numbers)

13047991
13047991

Required Categories

MATERIAL
COATING FEATURE
SPECIAL FEATURES

Required Description

GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE A, TYPE 517-642
ALUMINUM WITH SILICON