8644281

Optical instrument cell assembly

8644281 Description

2b thread class, right-hand , 0.815 inches thread length, 3.609 inches overall length, 3-3/16 in.-24 thread size, 3.490 inches overall diameter.

Features

Both ends chamfered 0.031 in. By 45 deg; two no. 6-32unc-2b thd holes on periphery, spaced 180 degrees apart, 0.125in. Distance from threaded end tocenter of holes; four 0.156 diameter holes in two places on periphery, equally spaced, 0.650in. And 1.937in. Distance from threaded end to center of holes

Properties of 8644281

Thread Class:
2b
Thread Direction:
Right-hand
Thread Length:
0.815 inches
Overall Length:
Between 3.609 inches and 3.640 inches
Thread Size:
3-3/16 in.-24
Overall Diameter:
Between 3.490 inches and 3.500 inches
Screw Thread Series Designator:
Uns
Accessory Components And Quantity:
Retainer, optical element 1
Thread Location:
Internal
Eccentric Construction:
Not provided
Cell Controlling Agency:
Frankford arsenal
Cell Identifying Number:
8644282 part no.
Optical Element Quantity:
1
Optical Element Type:
Compound lens
Optical Element Controlling Agency:
Frankford arsenal
Optical Element Identifying Number:
8644284 part no.
Material:
Aluminum alloy
Material:
Aluminum alloy
NSN:
1240-00-066-7092
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