279510PC2

Optical element retainer

279510PC2 Description

0.500 inches shoulder length, 2.490 inches hole diameter, 0.120 inches width, 1.050 inches overall length, 0.120 inches depth, slotted drive type.

Properties of 279510PC2

Shoulder Length:
0.500 inches
Hole Diameter:
Between 2.490 inches and 2.510 inches
Width:
0.120 inches
Overall Length:
Between 1.050 inches and 1.070 inches
Hole Or Slot Quantity:
2
Depth:
0.120 inches
Drive Type:
Slotted
Drive Facility Angular Spacing In Deg:
180.0
Internal Annular Serration:
Not provided
Setscrew Notch:
Not provided
Flange Thread Size:
3.125 in.-32 ns-3
Shoulder Thread Size:
2.875 in.-32 ns-3
Material:
Brass, qq-b-613, comp 11, 1/2h
Material:
Copper alloy 260 or copper alloy 262 or copper alloy 268 or copper alloy 270 or copper alloy 272 or copper alloy 274 or copper alloy 280 or copper alloy 330 or copper alloy 331 or copper alloy 332 or copper alloy 335 or copper alloy 340 or copper alloy 342 or copper alloy 344 or copper alloy 345 or copper alloy 347 or copper alloy 348 or copper alloy 350 or copper alloy 353 or copper alloy 356 or copper alloy 360 or copper alloy 370
Material Specification:
Qq-b-613, comp 11, 1/2h federal specification single material response
Surface Treatment:
Nickel
Style Designator:
Shouldered
Surface Treatment:
Black nickel plate
NSN:
1240-00-315-0018
Description:
Retainer,optical Element
Cage Code:
10001

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 05/01/2024