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Optical Instrument Cell Assembly

Model / MPN: 7688770 | NSN: 1240-01-061-4597
ITAR Registered seal

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.

Product Details
NATO Stock Number
1240-01-061-4597
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Thread Class
2a and 2a
Thread Pitch Diameters
+1.4121/+1.4165 inches and +1.5541/+1.5585 inches
Thread Direction
Right-hand and right-hand
Thread Length
0.212 inches and 0.821 inches
Overall Length
1.441 inches
Thread Size
1 27/64-48 and 1 9/16-48
Overall Diameter
1.558 inches
Screw Thread Series Designator
Special and special
Accessory Components And Quantity
Separator 2; cap 1
Thread Location
External and external
Eccentric Construction
Not provided
Cell Controlling Agency
Usarmy
Cell Identifying Number
7688775 drawing no.
Optical Element Quantity
4
Optical Element Type
Single lens
Optical Element Controlling Agency
Usarmy
Optical Element Identifying Number
7688771 drawing no. And 7688773 drawing no. And 7688774 drawing no. And 7688777 drawing no.
Material
Aluminum alloy, qq-a-225/3, alloy 2011, t3 and glass, optical, mil-g-174, grade d
Material
Aluminum alloy 2011 and glass optical
Material Specification
Qq-a-225/3, alloy 2011, t3 federal specification 1st material response and mil-g-174, grade d military specification 2nd material response
76887 Series Parts

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7688770 Cross Reference