National Item Identification Number

00-457-0445
004570445
6650-00-457-0445
6650004570445

National Stock Number

Item Name

RETAINER,OPTICAL ELEMENT

Federal Supply Class

6650

Description

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see CELL, OPTICAL ELEMENT. Excludes RING, EXTERNALLY THREADED.

Commercial and Government Entity Code (Supplier Data)

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18876

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Reference Numbers (Part Numbers)

10188964
10188964

Required Categories

HOLE DIAMETER
RECESS DIAMETER
HOLE CHAMFER DIAMETER
MATERIAL
SURFACE TREATME

Required Description

3.030 INCHES MINIMUM AND
3.035 INCHES MAXIMUM
3.210 INCHES MINIMUM AND
3.215