8644285

Optical instrument cell assembly

8644285 Description

2a thread class, right-hand , 0.363 inches thread length, 3.677 inches overall length, 3-3/16 in.-24 thread size, 3.187 inches overall diameter.

Features

Two 0.086 diameter holes on periphery, equally spaced, 0.562in. From smaller diameter end to center of holes; four 0.125dia holes on periphery, equally spaced1.687in. From threaded end to center of holes; smaller diameter end chamfered 45deg by 0.031in.

Properties of 8644285

Thread Class:
2a and 2b
Thread Direction:
Right-hand and right-hand
Thread Length:
0.363 inches and 0.250 inches
Overall Length:
Between 3.677 inches and 3.687 inches
Thread Size:
3-3/16 in.-24 and 2-3/8 in.-24
Overall Diameter:
3.187 inches
Screw Thread Series Designator:
Uns and uns
Accessory Components And Quantity:
Diffuser 1, level, fire control instrument 1, sight, rear 1, retainer, optical element 1, pin, straight 2, spacer, optical element 1
Thread Location:
External and internal
Eccentric Construction:
Not provided
Cell Controlling Agency:
Franford arsenal
Cell Identifying Number:
8644286 part no.
Optical Element Quantity:
1
Optical Element Type:
Reticle
Optical Element Controlling Agency:
Frankford arsenal
Optical Element Identifying Number:
8644292 part no.
Material:
Aluminum alloy
Material:
Aluminum alloy
NSN:
1240-00-066-7097
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 04/30/2024