12309689

Optical element retainer

12309689 Description

0.300 inches shoulder length, 1.500 inches hole diameter, 0.350 inches overall length, 2.000 inches flange diameter, 0.078 inches diameter.

Properties of 12309689

Shoulder Length:
Between 0.300 inches and 0.310 inches
Hole Diameter:
Between 1.500 inches and 1.510 inches
Overall Length:
Between 0.350 inches and 0.360 inches
Flange Diameter:
2.000 inches
Hole Or Slot Quantity:
1
Diameter:
0.078 inches
Depth:
0.360 inches
Drive Type:
Drilled hole
Radius From Geometric Axis To Hole Center:
0.834 inches
Guide Design:
Thread relief
Guide Location:
Shoulder
Internal Annular Serration:
Not provided
Setscrew Notch:
Not provided
Shoulder Thread Size:
1.B75in-32 uns-2a
Material:
Aluminum alloy, qq-a-225/3, alloy 2011, t3 and aluminum alloy, qq-a-225/6, alloy 2024, t351 and aluminum alloy, qq-a-225/8, t651
Material:
Aluminum alloy 2011 and aluminum alloy 2024 and aluminum alloy 6061
Style Designator:
Shouldered
Surface Treatment:
Anodized, mil-a-8625, type 2, class 2
NSN:
1240-01-131-5320
Description:
Retainer,optical Element
Cage Code:
19207

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 05/02/2024