1240-01-668-5924

Optical Element Retainer

1240016685924 016685924 1017-01-053

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. View more Optical Element Retainer

Managed by United States

NSN Created on 29 Nov 2017

Data Last Changed
January 2023

NATO Update Count
1

NATO Data Quality

1240-01-668-5924 RETAINER,OPTICAL ELEMENT 1240016685924 016685924 1/1 — NSN 1240-01-668-5924 (Generic Image) 1/1

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Restrictions 1240-01-668-5924

1240-01-668-5924 is a Optical Element Retainer that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. This item has been confirmed as a Critical Munitions List Item or a Sensitive Commerce Control List Item and cannot be in the possession of any party anywhere in the World who is not an authorized NATO Government. Any other possessor of this item should mutilate it now as possession violates international and local laws. This item is a confirmed Commerce Control List Item (CCLI). This item is not suspected to be hazardous. This item does not contain a precious metal.