1240-00-613-6408

Find complete technical information, availability, and procurement data for: 1240-00-613-6408

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1240-00-613-6408
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-613-6408
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.

1.0600 inches nominal overall height, 1-3/8 -32 and 1-9/16 -24 thread size, 2b and 2a thread class, 1.562 inches nominal overall diameter, 0.156 inches and 0.375 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 Length
0.156 inches and 0.375 inches
Overall Height
1.0600 inches nominal
Thread Size
1-3/8 -32 and 1-9/16 -24
Overall Diameter
1.562 inches nominal
Screw Thread Series Designator
uns
Drive Type
slotted face
Thread Location
external and internal
Eccentric Construction
not provided
Element Securing Method
threaded ring
Material
copper alloy 330
Material Document And Classification
mil-b-13492-canceled mil spec single material response
Surface Treatment
oxide

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
1240006136408 Optical Element Cell
6136408 Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1240-00-613-6408?
The FSCG of the NSN 1240-00-613-6408 is 1240
Does the NSN 1240-00-613-6408 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-613-6408 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 1240-00-613-6408 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-613-6408 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 1240-00-613-6408 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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