National Item Identification Number

01-019-3440
010193440
6650-01-019-3440
6650010193440

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)

---

19200

---

---

Reference Numbers (Part Numbers)

11743469

Required Categories

MATERIAL
SURFACE FINISH
STYLE DESIGNATOR
OVERALL LENGTH
OVERALL HEIGHT
OVER

Required Description

GLASS, OPTICAL, MIL-G-174, GRADE B, TYPE 517-645 AND
STEEL, STAINLESS
FINE GRO