290799ISSUE8

View detailed technical data, stock status, and sourcing information for: 290799ISSUE8
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5950 Coils and Transformers

National Stock Number

5950-00-645-4256

Item Name Code

00780

Assigment Date

01/01/1963 (63 years ago)

An item having either a single tapped winding (autotransformer type), or two or more windings designed to furnish inductive reactance and/or transfer electrical energy in circuits by means of a magnetic field. It is so designed that its entire intended range of operations is above 20 kilohertz (kilocycles). The minimum value may extend into the audio frequency range (below 20 kilohertz). It may include integral capacitors, coils, resistors, and adjustable tuning cores. For items having only two active terminals see coil, radio frequency. Includes types having windings which may be moved with respect to each other. Excludes:transformer, discriminator.

456000.0 nominal single component single secondary impedance rating in ohms, 800.0 nominal single component single primary impedance rating in ohms, 100.0 hertz minimum and 4.0 kilohertz maximum single component frequency rating, 0.141 inches nominal single group mounting hole diameter, not established reliability indicator

Product Characteristics

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

Reliability Indicator: not established
Mounting Hole Diameter: 0.141 inches nominal single group
Impedance Rating In Ohms: 456000.0 nominal single component single secondary
Impedance Rating In Ohms: 800.0 nominal single component single primary
Frequency Rating: 100.0 hertz minimum and 4.0 kilohertz maximum single component
Primary To Secondary Turn Ratio: 1 to 21.7 single component
Winding Shielding Method: internal shield grounded to inclosure and core single component
Body Length: 1.656 inches nominal
Body Outside Diameter: 1.031 inches maximum
Body Height: 1.625 inches maximum
Distance Between Mounting Facility Centers: 1.406 inches nominal single mounting facility single center group
Inclosure Type: hermetically sealed
Mounting Facility Quantity: 2 single group
Mounting Method: flange and unthreaded hole single group
Winding Function And Quantity: 1 primary and 1 secondary single component
Terminal Type And Quantity: 4 standoff, solder lug

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
290799ISSUE8	Audio Frequency Transformer
W1734	Audio Frequency Transformer

FAQs

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

What is the FSCG of the NSN 5950-00-645-4256?

The FSCG of the NSN 5950-00-645-4256 is 5950

Does the NSN 5950-00-645-4256 have a Schedule B code assigned?

Yes, the Schedule B code is 8548900100

Does NSN 5950-00-645-4256 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5950-00-645-4256 contain precious materials?

Precious metal content is unknown

Does NSN 5950-00-645-4256 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5950-00-645-4256 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963