National Item Identification Number

01-384-5197
013845197
6650-01-384-5197
6650013845197

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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31902

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VSE CORPORATION
2550 HUNTINGTON AVE
ALEXANDRIA
VA
22303
703-317-5202

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Reference Numbers (Part Numbers)

7004171
7004171

Required Categories

MATERIAL
SURFACE TREATMENT
OUTSIDE DIAMETER
SPECIAL FEATURES
III END ITEM ID

Required Description

STEEL, QQ-S-763, CLASS 303, COND A
BLACK OXIDE
3.375 INCHES NOMINAL
FINAL COA