1240-00-210-4393

Find complete technical information, availability, and procurement data for: 1240-00-210-4393

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1240-00-210-4393
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-210-4393
Item Name Code
21859
Assigment Date
01/01/1963 (63 years ago)

+1.8547 to 1.8600 inches and +2.0679 to 2.0721 inches thread pitch diameters, 1.836 inches nominal overall length, 2b and 2a thread class, right-hand thread direction, 0.300 inches and 0.376 inches thread length

Product Characteristics

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

Thread Class
2b and 2a
Thread Pitch Diameters
+1.8547 to 1.8600 inches and +2.0679 to 2.0721 inches
Thread Direction
right-hand
Thread Length
0.300 inches and 0.376 inches
Overall Length
1.836 inches nominal
Thread Size
1 7/8-32 and 2 5/64-32
Overall Diameter
2.250 inches nominal
Screw Thread Series Designator
uns
Drive Type
drilled hole
Thread Location
internal and external
Eccentric Construction
provided
Cell Eccentricity From Geometric Axis
0.001 inches
Chamfer Location
threaded end
Element Securing Method
external thread
Material
aluminum 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
1262789 Optical Element Cell
789PC2 Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1240-00-210-4393?
The FSCG of the NSN 1240-00-210-4393 is 1240
Does the NSN 1240-00-210-4393 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-210-4393 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 1240-00-210-4393 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-210-4393 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 1240-00-210-4393 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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