1237-4

View detailed technical data, stock status, and sourcing information for: 1237-4
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5950 Coils and Transformers

National Stock Number

5950-00-765-4530

Item Name Code

00780

Assigment Date

01/01/1962 (64 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.

320.0 nominal single component single primary impedance rating in ohms, 892.5 hertz minimum and 977.5 hertz maximum single component frequency rating, 6.0 decibels single component maximum transformer power rating, not established reliability indicator, 320.0 nominal single component single secondary impedance rating in ohms

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
Impedance Rating In Ohms: 320.0 nominal single component single primary
Impedance Rating In Ohms: 320.0 nominal single component single secondary
Frequency Rating: 892.5 hertz minimum and 977.5 hertz maximum single component
Maximum Transformer Power Rating: 6.0 decibels single component
Body Length: 2.812 inches nominal
Body Width: 2.312 inches nominal
Body Height: 2.562 inches nominal
Inclosure Type: hermetically sealed
Mounting Method: plug-in single group
Winding Function And Quantity: 1 primary and 1 secondary single component
Terminal Type And Quantity: 4 pin

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5950-00-392-6502	No Name Available	09/17/1969

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
1207-4	Audio Frequency Transformer
1237-4	Audio Frequency Transformer
2056-155-4REVE	Audio Frequency Transformer
7907-4	Audio Frequency Transformer
7907A	Audio Frequency Transformer
HA4849-4	Audio Frequency Transformer

FAQs

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

What is the FSCG of the NSN 5950-00-765-4530?

The FSCG of the NSN 5950-00-765-4530 is 5950

Does the NSN 5950-00-765-4530 have a Schedule B code assigned?

Yes, the Schedule B code is 8548900100

Does NSN 5950-00-765-4530 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 5950-00-765-4530 contain precious materials?

Item does not contain precious metal.

Does NSN 5950-00-765-4530 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 5950-00-765-4530 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962