1240-00-518-5084

Find complete technical information, availability, and procurement data for: 1240-00-518-5084

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1240-00-518-5084
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-518-5084
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.

0.813 inches nominal overall height, 0.875 inches nominal overall diameter, 0.469 inches and 0.312 inches thread length, 25/32 - 36 and 7/8 - 36 thread size, 3b thread class

Product Characteristics

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

Thread Class
3b
Thread Length
0.469 inches and 0.312 inches
Overall Height
0.813 inches nominal
Thread Size
25/32 - 36 and 7/8 - 36
Overall Diameter
0.875 inches nominal
Screw Thread Series Designator
uns
Drive Type
slotted face
Thread Location
internal and external
Eccentric Construction
not provided
Element Securing Method
threaded ring
Material
copper alloy 360
Fsc Application Data
instrument,observation,integrated with fire control

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
5185084 Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1240-00-518-5084?
The FSCG of the NSN 1240-00-518-5084 is 1240
Does the NSN 1240-00-518-5084 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-518-5084 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 1240-00-518-5084 contain precious materials?
Precious metal content is unknown
Does NSN 1240-00-518-5084 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 1240-00-518-5084 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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