National Item Identification Number

01-180-2171
011802171
6650-01-180-2171
6650011802171

National Stock Number

Item Name

WINDOW,OPTICAL INSTRUMENT

Federal Supply Class

6650

Description

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

Commercial and Government Entity Code (Supplier Data)

---

34860

---

LITTON SYSTEMS INC
DBA LASER SYSTEMS DIV LASER SYSTEMS
2787S ORANGE BLOSSOM TRL
547300 ORLANDO FL 32854
APOPKA
FL
32703
321-354-3718

---

Reference Numbers (Part Numbers)

13079179
13079179

Required Categories

MATERIAL
POLISHED SURFACE
SURFACE FINISH
POLISHED PERIPHERY
DIAMETER
THICKN

Required Description

QUARTZ
BOTH
POLISHED
NOT PROVIDED
0.375 INCHES NOMINAL
0.090 INCHES NOMINAL