5178640

Optical element retainer

5178640 Description

0.562 inches shoulder diameter, 0.062 inches shoulder length, 0.100 inches overall length, 0.625 inches flange diameter, used 1015003229752 end item identification.

Properties of 5178640

Shoulder Diameter:
0.562 inches
Shoulder Length:
0.062 inches
Overall Length:
0.100 inches
Flange Diameter:
0.625 inches
End Application:
Used 1015003229752
Guide Design:
Thread chamfer
Internal Annular Serration:
Provided
Setscrew Notch:
Not provided
Material:
Brass, qq-b-626, comp 360
Material:
Copper alloy 360
Material Specification:
Qq-b-626, comp 360 federal specification single material response
Style Designator:
Shouldered
NSN:
1240-00-517-8640
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 05/14/2024