1240-01-173-4684

Find complete technical information, availability, and procurement data for: 1240-01-173-4684

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1240-01-173-4684
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-01-173-4684
Item Name Code
21859
Assigment Date
03/06/1984 (42 years ago)

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.

sight mount end item identification, knurl drive type, not provided eccentric construction, 36.8 millimeters nominal overall diameter, 41.0 millimeters nominal overall length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length
41.0 millimeters nominal
Overall Diameter
36.8 millimeters nominal
End Item Identification
sight mount
Drive Type
knurl
Eccentric Construction
not provided
Chamfer Location
opposite drive end
Chamfer Size
0.25 mm by 45 deg
Material
aluminum alloy 6061

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
82A5027A1606 Optical Element Cell

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 1240-01-173-4684?
The FSCG of the NSN 1240-01-173-4684 is 1240
Does the NSN 1240-01-173-4684 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-01-173-4684 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 1240-01-173-4684 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-01-173-4684 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 1240-01-173-4684 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Tue, Mar 6, 1984

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