8501524

Optical element retainer

8501524 Description

Item number 77 retainer .

Properties of 8501524

Part Name Assigned By Controlling Agency:
Item number 77 retainer
NSN:
1240-01-201-9897
Description:
Retainer,optical Element
Cage Code:

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 03/29/2024