13040138

Optical element retainer

13040138 Description

3.310 inches shoulder diameter, 0.120 inches shoulder length, 3.188 inches hole diameter, 0.093 inches width, 0.160 inches overall length.

Properties of 13040138

Shoulder Diameter:
3.310 inches
Shoulder Length:
0.120 inches
Hole Diameter:
3.188 inches
Width:
0.093 inches
Overall Length:
0.160 inches
Flange Diameter:
3.469 inches
Hole Or Slot Quantity:
4
Depth:
0.060 inches
Drive Type:
Slotted
Guide Design:
Thread chamfer
Guide Location:
Edge opposite drive edge
Internal Annular Serration:
Not provided
Setscrew Notch:
Not provided
Material:
Aluminum alloy
Style Designator:
Shouldered
NSN:
1240-01-126-8568
Description:
Retainer,optical Element
Cage Code:
18876

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 11/14/2024