National Item Identification Number

00-943-3896
009433896
6650-00-943-3896
6650009433896

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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09205

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18876

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Reference Numbers (Part Numbers)

10121199
10121199

Required Categories

MATERIAL
SURFACE TREATMENT
DRIVE TYPE
INTERNAL ANNULAR SERRATION
GUIDE DESIG

Required Description

STEEL, CORROSION RESISTING
BLACK OXIDE
KNURL
NOT PROVIDED
THREAD RELIEF
EDG