National Item Identification Number

00-931-8898
009318898
6650-00-931-8898
6650009318898

National Stock Number

Item Name

MIRROR,OPTICAL INSTRUMENT

Federal Supply Class

6650

Description

A mirror specifically designed for use in an optical instrument. Its surface may be coated to reduce reflection. Excludes PRISM, OPTICAL INSTRUMENT.

Commercial and Government Entity Code (Supplier Data)

---

19200

---

---

Reference Numbers (Part Numbers)

7791928

Required Categories

MATERIAL
REFLECTIVE BACKING MATERIAL
DIAMETER
THICKNESS
BEVELED EDGE LOCATIO

Required Description

GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE B, TYPE 523-586
ALUMINIZED
2.495 INC