1240-00-167-7945

Find complete technical information, availability, and procurement data for: 1240-00-167-7945

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1240-00-167-7945
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-167-7945
Item Name Code
21859
Assigment Date
06/12/1968 (58 years ago)

A grouping of two or more semiconducting devices such as light emitting diode; semiconductor device, diode; semiconductor device, photo; semiconductor device, thyristor; and/or transistor mounted on a common mounting or mounted on each other. The devices must be separable and each item must be capable of functioning in accordance with its given name. For assemblies consisting of semiconducting devices permanently cased, encapsulated, or potted together to form a single unit, see rectifier, semiconductor device, unitized and semiconductor devices, unitized. Excludes:semiconductor device set; microcircuit assembly; and microcircuit set. See also absorber, overvoltage.

+2.7798 to 2.7848 inches and +0.7238 to 0.7286 inches thread pitch diameters, 2.865 inches minimum and 2.875 inches maximum overall diameter, 2 199/250-40 and 37/50-40 thread size, 3.628 inches nominal overall length, 2b 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
2b
Thread Pitch Diameters
+2.7798 to 2.7848 inches and +0.7238 to 0.7286 inches
Overall Length
3.628 inches nominal
Thread Size
2 199/250-40 and 37/50-40
Overall Diameter
2.865 inches minimum and 2.875 inches maximum
Screw Thread Series Designator
uns
Thread Location
internal
Eccentric Construction
not provided
Chamfer Location
internal thread end
Chamfer Size
0.112 in. by 20 deg
Material
aluminum alloy
Surface Treatment
anodize

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
SC-D-635094-1 Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1240-00-167-7945?
The FSCG of the NSN 1240-00-167-7945 is 1240
Does the NSN 1240-00-167-7945 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-167-7945 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 1240-00-167-7945 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-167-7945 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 1240-00-167-7945 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Wed, Jun 12, 1968

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