12278948

Optical element retainer

12278948 Description

2.000 inches shoulder diameter, 0.281 inches shoulder length, 1.890 inches hole diameter, 0.060 inches width, 0.375 inches overall length.

Properties of 12278948

Shoulder Diameter:
2.000 inches
Shoulder Length:
0.281 inches
Hole Diameter:
1.890 inches
Width:
0.060 inches
Overall Length:
0.375 inches
Flange Diameter:
2.062 inches
Hole Or Slot Quantity:
2
Depth:
0.060 inches
End Application:
2350-01-136-8738; 2350-01-087-1095m1a1; 1240-01-259-9096 xmi gas
Drive Type:
Slotted
Guide Design:
Thread chamfer
Internal Annular Serration:
Not provided
Setscrew Notch:
Provided
Material:
Aluminum alloy, qq-a-225/3, alloy 2011, t3 or aluminum alloy, qq-a-225/8, alloy 6061, t6
Material:
Aluminum alloy 2011 or aluminum alloy 6061
Style Designator:
Shouldered
NSN:
1240-01-079-3053
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 05/17/2024