1240-00-443-1020

Find complete technical information, availability, and procurement data for: 1240-00-443-1020

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1240-00-443-1020
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-443-1020
Item Name Code
77777
Assigment Date
04/03/1969 (57 years ago)

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes:ring, externally threaded.

item c/o circuit card assy p/n 10559579;insulator p/n 10559592;screw p/n nas1635-02-7;connector p/n 11739080;housing p/n 10559591;cover p/n 10559313;photomultiplier tube assyp/n 10559364;screw p/n nas1635-04-7; washer,flat p/n nas62002;nut,hex p/n nas671c2;assembly shall meet requirements of mil-c-14875 general characteristics item description

Product Characteristics

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

General Characteristics Item Description
item c/o circuit card assy p/n 10559579;insulator p/n 10559592;screw p/n nas1635-02-7;connector p/n 11739080;housing p/n 10559591;cover p/n 10559313;photomultiplier tube assyp/n 10559364;screw p/n nas1635-04-7; washer,flat p/n nas62002;nut,hex p/n nas671c2;assembly shall meet requirements of mil-c-14875

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
10559435 Assembly Electronic Equi Chassis

FAQs

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

What is the FSCG of the NSN 1240-00-443-1020?
The FSCG of the NSN 1240-00-443-1020 is 1240
Does the NSN 1240-00-443-1020 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-443-1020 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 1240-00-443-1020 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-443-1020 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 1240-00-443-1020 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Thu, Apr 3, 1969

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

As Removed 1
New Surplus 1
New Material 9
Total 11
Availability of this item was last updated on: 02/14/2026 09:02 AM EST. Stock levels and pricing are subject to change.

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