FM77

View detailed technical data, stock status, and sourcing information for: FM77
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5950 Coils and Transformers

National Stock Number

5950-00-060-4120

Item Name Code

00780

Assigment Date

01/01/1963 (63 years ago)

A transformer which is designed so that part or all of its range of operating frequencies is 20 kilohertz (kilocycles) and below. The maximum value may extend into the radio frequency range. It is generally used in the input, output, amplifier, or oscillator stages of audio and sonar devices.

600.0 nominal single component single primary impedance rating in ohms, 600.0 nominal single component single secondary impedance rating in ohms, line transformer function, not established reliability indicator, 300.0 hertz minimum and 4.0 kilohertz maximum single component frequency rating

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
Transformer Function: line
Impedance Rating In Ohms: 600.0 nominal single component single secondary
Impedance Rating In Ohms: 600.0 nominal single component single primary
Frequency Rating: 300.0 hertz minimum and 4.0 kilohertz maximum single component
Maximum Transformer Power Rating: 50.0 watts single component
Body Length: 0.410 inches maximum
Body Width: 0.200 inches maximum
Body Height: 0.475 inches maximum
Inclosure Type: hermetically sealed
Mounting Method: terminal single group
Winding Function And Quantity: 1 primary and 1 secondary single component
Winding Operating Current: 3.0 milliamperes dc maximum single component single primary
Terminal Type And Quantity: 6 wire lead

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5950-00-073-6664	No Name Available	04/21/1969

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
417137-33REVC	Audio Frequency Transformer
42298-33	Audio Frequency Transformer
677-0324-320	Audio Frequency Transformer
A46244-1	Audio Frequency Transformer
FM77	Audio Frequency Transformer

FAQs

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

What is the FSCG of the NSN 5950-00-060-4120?

The FSCG of the NSN 5950-00-060-4120 is 5950

Does the NSN 5950-00-060-4120 have a Schedule B code assigned?

Yes, the Schedule B code is 8548900100

Does NSN 5950-00-060-4120 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 5950-00-060-4120 contain precious materials?

Precious metal content is unknown

Does NSN 5950-00-060-4120 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 5950-00-060-4120 was assigned to the Federal Catalog?

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