1240004209123

Optical element retainer

1240004209123 Description

0.313 inches shoulder length, 0.060 inches width, 0.422 inches overall length, 1.328 inches flange diameter, 0.060 inches depth.

Features

Groove adjacent to shoulder thread, 0.047 in. W, 0.047 in. Deep.

Properties of 1240004209123

Shoulder Length:
Between 0.313 inches and 0.344 inches
Tapered Hole Minor Diameter:
Between 1.000 inches and 1.005 inches
Taper Angle In Deg:
10.5
Width:
Between 0.060 inches and 0.070 inches
Overall Length:
Between 0.422 inches and 0.438 inches
Flange Diameter:
Between 1.328 inches and 1.344 inches
Hole Or Slot Quantity:
2
Depth:
Between 0.060 inches and 0.070 inches
Drive Type:
Slotted
Drive Facility Angular Spacing In Deg:
180.0
Internal Annular Serration:
Not provided
Setscrew Notch:
Not provided
Shoulder Thread Size:
1.188 in.-32uns-2a
Material:
Plastic, mil-m-14, type mfe
Material:
Plastic phenolic and silica
Material Specification:
Mil-m-14, type mfe military specification single material response
Style Designator:
Shouldered
Fsc Application Data:
Periscope, tank m32, m32c, m35, m36
NSN:
1240-00-420-9123
Description:
Retainer,optical Element
Cage Code:
SCY13

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 04/27/2024