5185475

Optical element retainer

5185475 Description

0.785 inches hole diameter, 0.031 inches width, 0.172 inches overall length, 0.882 inches recess diameter, 0.897 in.-72 ns-3 thread size.

Properties of 5185475

Hole Diameter:
0.785 inches
Width:
0.031 inches
Overall Length:
0.172 inches
Hole Or Slot Quantity:
2
Recess Diameter:
0.882 inches
Recess Depth:
0.141 inches
Thread Size:
0.897 in.-72 ns-3
Counterbore Taper Angle In Deg:
45.0
Depth:
0.031 inches
Drive Type:
Slotted
Drive Facility Angular Spacing In Deg:
180.0
Internal Annular Serration:
Not provided
Setscrew Notch:
Not provided
Hole Chamfer Angle In Deg:
30.0
Hole Chamfer Diameter:
0.822 inches
Material:
Aluminum alloy, qq-a-200/3, t4
Material:
Aluminum alloy 2024
Material Specification:
Qq-a-200/3, t4 federal specification single material response
Surface Treatment:
Anodize
Style Designator:
Recessed
Surface Treatment:
Anodized
Fsc Application Data:
Binocular, fire control
NSN:
1240-00-574-6417
Description:
Retainer,optical Element
Cage Code:
19200

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 04/20/2024