National Item Identification Number

01-357-9928
013579928
6650-01-357-9928
6650013579928

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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80063

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Reference Numbers (Part Numbers)

A3134115

Required Categories

MATERIAL
OVERALL LENGTH
OUTSIDE DIAMETER
INTERNAL FLANGE THICKNESS
III END I

Required Description

PLASTIC
1.437 INCHES NOMINAL
1.750 INCHES NOMINAL
0.304 INCHES NOMINAL
6625-