1240-00-764-3954

Find complete technical information, availability, and procurement data for: 1240-00-764-3954

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1240-00-764-3954
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-764-3954
Item Name Code
21859
Assigment Date
01/01/1962 (64 years ago)

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also attenuator, fixed and resistor, fixed, composition. Excludes:carbon composition type resistors.

0.647 inches nominal overall height, 3b and 3a thread class, right-hand thread direction, 9/16 in. - 36 and 0.648 in. - 48 thread size, 0.093 inches and 0.250 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
3b and 3a
Thread Direction
right-hand
Thread Length
0.093 inches and 0.250 inches
Overall Height
0.647 inches nominal
Thread Size
9/16 in. - 36 and 0.648 in. - 48
Overall Diameter
0.648 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
aluminum alloy 2024
Fsc Application Data
telescope m86f,integrated with fire control

Related Parts

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Part Number Name
7643954 Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1240-00-764-3954?
The FSCG of the NSN 1240-00-764-3954 is 1240
Does the NSN 1240-00-764-3954 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-764-3954 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 1240-00-764-3954 contain precious materials?
Precious metal content is unknown
Does NSN 1240-00-764-3954 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 1240-00-764-3954 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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