Optical Instrument Cell Assembly

Model / MPN: 8211643 | NSN: 1240-01-085-1587

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

1240-01-085-1587

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Thread Class

2b and 2a

Thread Pitch Diameters

+0.7787/+0.7922 inches and +0.8981/+0.9161 inches

Thread Direction

Right-hand and right-hand

Thread Length

0.078 inches and 0.120 inches

Overall Length

Between 0.400 inches and 0.410 inches

Thread Size

13/16-32 and 15/16-32

Overall Diameter

Between 0.9304 inches and 0.9364 inches

Screw Thread Series Designator

Uns and uns

Accessory Components And Quantity

Cell 1; ring 1; sealing compound 2

Thread Location

Internal and external

Eccentric Construction

Not provided

Optical Element Quantity

Optical Element Type

Compound lens

Optical Element Controlling Agency

Ord

Optical Element Identifying Number

5036359 part no.

Material

Aluminum alloy, qq-a-225/6, alloy 2024, t6 or aluminum alloy, ww-t-785, alloy 2024, t3-canceled

Material

Aluminum alloy 2024 or aluminum alloy, ww-t-785, alloy 2024, t3-canceled

Material Specification

Qq-a-225/6, alloy 2024, t6 federal specification 1st material response

82116 Series Parts

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Optical Instrument Cell Assembly

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8211643 Cross Reference