311903

View detailed technical data, stock status, and sourcing information for: 311903
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5950 Coils and Transformers

National Stock Number

5950-00-578-1111

Item Name Code

00780

Assigment Date

01/01/1963 (63 years ago)

400.0 hertz nominal single component frequency rating, line transformer function, 1000.0 nominal single component single secondary impedance rating in ohms, not established reliability indicator, 20000.0 nominal single component single primary 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
Transformer Function: line
Impedance Rating In Ohms: 1000.0 nominal single component single secondary
Impedance Rating In Ohms: 20000.0 nominal single component single primary
Frequency Rating: 400.0 hertz nominal single component
Primary To Secondary Turn Ratio: 1 to 4.35 single component
Body Length: 0.780 inches maximum
Body Width: 0.458 inches maximum
Body Height: 0.625 inches maximum
Inclosure Type: open
Mounting Method: terminal single group
Winding Function And Quantity: 1 primary and 1 secondary single component
Winding Operating Current: 2.0 milliamperes ac maximum single component single primary
Terminal Type And Quantity: 4 wire lead

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
1993023-1	Audio Frequency Transformer
311903	Audio Frequency Transformer
441713	Audio Frequency Transformer
A11903	Audio Frequency Transformer
AR432	Audio Frequency Transformer
AU4003B	Audio Frequency Transformer
AU403	Audio Frequency Transformer

FAQs

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

What is the FSCG of the NSN 5950-00-578-1111?

The FSCG of the NSN 5950-00-578-1111 is 5950

Does the NSN 5950-00-578-1111 have a Schedule B code assigned?

Yes, the Schedule B code is 8548900100

Does NSN 5950-00-578-1111 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 5950-00-578-1111 contain precious materials?

Precious metal content is unknown

Does NSN 5950-00-578-1111 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 5950-00-578-1111 was assigned to the Federal Catalog?

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