National Item Identification Number

00-891-4534
008914534
6650-00-891-4534
6650008914534

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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8V613

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Reference Numbers (Part Numbers)

10547491
10547491
10547491

Required Categories

STYLE DESIGNATOR
SHOULDER LENGTH
HOLE DIAMETER
OVERALL LENGTH
FLANGE THREAD

Required Description

F6 SHOULDERED
0.143 INCHES NOMINAL
1.950 INCHES MINIMUM AND
1.960 INCHES MAXI