11741681

Optical instrument cell assembly

11741681 Description

2a thread class, right-hand , 0.244 inches thread length, 2.276 inches overall length, 0.500 in.-oi thread size, 0.796 inches overall diameter.

Features

Asurface treatment, anodized, mil-a-8625, type 2, class 2, black. Two flats centrally located with a 0.688 in. Width across flats. Four 0.062 in. Diameter holes spaced 90 degrees apart on external thread end.

Properties of 11741681

Thread Class:
2a and 2a and 2b
Thread Direction:
Right-hand and right-hand and right-hand
Thread Length:
0.244 inches and 0.316 inches and 0.142 inches
Overall Length:
Between 2.276 inches and 2.281 inches
Thread Size:
0.500 in.-oi and 0.688 in.-24 and 0.625 in.-32
Overall Diameter:
Between 0.796 inches and 0.812 inches
Screw Thread Series Designator:
Un and unef and un
Accessory Components And Quantity:
Retainer, optical element 1
Thread Location:
External and external and internal
Eccentric Construction:
Not provided
Cell Controlling Agency:
Frankford arsenal
Cell Identifying Number:
11741682 part no.
Optical Element Quantity:
1
Optical Element Type:
Single lens
Optical Element Controlling Agency:
Frankford arsenal
Optical Element Identifying Number:
11741684 part no.
Fsc Application Data:
Trainer, tank gunnery
NSN:
1240-00-251-7511
Description:
Cell Assembly,optical Instrument
Cage Code:
19200

Definition Optical Instrument Cell Assembly

An item consisting of a cell, optical element in which is secured one or more optical elements, such as lenses, reticles, filters, windows, and the like. May include retaining rings, spacers, and/or separators. For items with focusing facilities and/or a diopter scale, see eyepiece assembly, optical instrument.

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Last modified 05/04/2024