1240-01-268-4713

Find complete technical information, availability, and procurement data for: 1240-01-268-4713

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1240-01-268-4713
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-01-268-4713
Item Name Code
21859
Assigment Date
12/01/1987 (38 years ago)

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes:cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

both ends chamfer location, 1.400 inches nominal overall diameter, not provided eccentric construction, knurl drive type, 1.125 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
1.125 inches nominal
Overall Diameter
1.400 inches nominal
Drive Type
knurl
Eccentric Construction
not provided
Chamfer Location
both ends
Chamfer Size
0.030 in. by 45 deg
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
3183234 Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1240-01-268-4713?
The FSCG of the NSN 1240-01-268-4713 is 1240
Does the NSN 1240-01-268-4713 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-01-268-4713 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 1240-01-268-4713 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-01-268-4713 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 1240-01-268-4713 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Tue, Dec 1, 1987

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