061568

Optical element retainer

061568 Description

End item attack periscope assays p/n's 068008, 069503 end item identification.

Properties of 061568

End Application:
End item attack periscope assemblys p/n's 068008, 069503 and 073003 and search periscope assemblys p/n's 068009, 069504, no nsn's assigned to end items
NSN:
1240-01-470-8560
Description:
Retainer,optical Element
Cage Code:
34228

Definition Optical Element Retainer

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.

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Last modified 04/25/2024