687568

View detailed technical data, stock status, and sourcing information for: 687568

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687568
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-153-2396
Item Name Code
21859
Assigment Date
01/01/1963 (63 years ago)

A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.

larger diameter end chamfer location, not provided eccentric construction, 2.594 inches nominal overall diameter, gun sight mk29 end item identification, 2.780 inches 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
2.780 inches nominal
Overall Diameter
2.594 inches nominal
End Item Identification
gun sight mk29
Eccentric Construction
not provided
Chamfer Location
larger diameter end
Chamfer Size
0.093 in. by 45 deg
Element Securing Method
internal flange
Material
copper alloy

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
687568 Optical Element Cell
806669 Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1240-00-153-2396?
The FSCG of the NSN 1240-00-153-2396 is 1240
Does the NSN 1240-00-153-2396 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-153-2396 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 1240-00-153-2396 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-153-2396 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 1240-00-153-2396 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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