National Item Identification Number

00-945-4623
009454623
6650-00-945-4623
6650009454623

National Stock Number

Item Name

RING,RETAINING,OPTICAL ELEMENT

Federal Supply Class

6650

Description

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see RETAINER, OPTICAL ELEMENT. Excludes CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; and RING, RETAINING.

Commercial and Government Entity Code (Supplier Data)

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18876

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Reference Numbers (Part Numbers)

10154242

Required Categories

MATERIAL
THREAD LOCATION
THREAD SIZE
SCREW THREAD SERIES DESIGNATOR
THREAD C

Required Description

ALUMINUM ALLOY, QQ-A-250/11, T6
INTERNAL
3.375 IN.-32
UNS
2 AND
2B
0.235 I