National Item Identification Number

00-838-7338
008387338
6650-00-838-7338
6650008387338

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)

2018938P1

Required Categories

MATERIAL
STYLE DESIGNATOR
LIGHT DEVIATION
REFERENCE NUMBER DIFFERENTIATING CH

Required Description

GLASS, OPTICAL, JAN-G-174, GRADE A
G4 ROOF-ANGLE
90 DEG PORM 30 SEC
FLEET BAL