National Item Identification Number

01-339-9462
013399462
6650-01-339-9462
6650013399462

National Stock Number

Item Name

IRIS DIAPHRAGM,OPTICAL INSTRUMENT

Federal Supply Class

6650

Description

An adjustable item of thin, overlapping opaque plates which are actuated by a ring or other device so as to change the diameter of a central opening, for controlling the intensity of transmitted illumination. It is usually employed to regulate the aperture of a lens in microscopes, and other optical instruments.

Commercial and Government Entity Code (Supplier Data)

---

11871

---

---

Reference Numbers (Part Numbers)

590104-8320.000

Required Categories

ACCESSORY COMPONENTS AND QUANTITY
III END ITEM IDENTIFICATION
THE MANUFACTURER

Required Description

DISK,MARKED 1
PLATE 2
SPACER 2;PLATE,IDENTIFICATION 1
APERTURE 1
APERTURE DR