National Item Identification Number

00-628-2018
006282018
6650-00-628-2018
6650006282018

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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19200

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Reference Numbers (Part Numbers)

11737857

Required Categories

HOLE DIAMETER
OVERALL LENGTH
FLANGE DIAMETER
MATERIAL
SURFACE TREATMENT
INT

Required Description

3.090 INCHES MINIMUM AND
4.010 INCHES MAXIMUM
0.115 INCHES MINIMUM AND
0.135