E-291

View detailed technical data, stock status, and sourcing information for: E-291
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5950 Coils and Transformers

National Stock Number

5950-00-005-8904

Item Name Code

32496

Assigment Date

06/16/1972 (54 years ago)

A transformer consisting of one or more primary winding(s) and one or more secondary winding(s). It may be designed for direct connection to an alternating current source for purposes of changing the secondary volts and amperes or designed to eliminate metallic interconnection between circuits in an overall one to one voltage ratio, with or without additional output windings, or items designed to automatically maintain a constant output voltage within specified limits under varying input or load conditions. Also includes items having a provision for mechanically changing the turns ratio or inductive coupling in progressive increments by means of voltage taps, ratio adjuster, or devices oe similar design. For transformers having winding(s) common to both input and output circuits, see transformer (1), power, autotransformer. Excludes:transformer (1), pulse.

1.500 inches maximum body length, single phase to single phase single component input-output phase relationship, 400.0 hertz nominal single component frequency rating, 0.120 inches minimum and 0.140 inches maximum 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: 0.120 inches minimum and 0.140 inches maximum single group
Frequency Rating: 400.0 hertz nominal single component
Input-Output Phase Relationship: single phase to single phase single component
Body Length: 1.500 inches maximum
Body Width: 1.250 inches maximum
Body Height: 1.250 inches maximum
Maximum Operating Temp: 130.0 celsius
Distance Between Mounting Facility Centers: 1.650 inches minimum and 1.850 inches maximum single mounting facility single center group
Inclosure Type: fully inclosed
Mounting Facility Quantity: 2 single group
Mounting Method: flange and unthreaded hole single group
Winding Function And Quantity: 1 primary and 4 secondary single component
Winding Power Rating: 2.8 watts single component 1st secondary
Winding Power Rating: 4.4 watts single component 2nd secondary
Winding Power Rating: 550.0 milliwatts single component 4th secondary
Winding Power Rating: 1.3 watts single component 3rd secondary
Winding Operating Voltage: 158.00 ac volts nominal single component 4th secondary
Winding Operating Voltage: 19.20 ac volts nominal single component 1st secondary
Winding Operating Voltage: 115.00 ac volts nominal single component single primary
Winding Operating Voltage: 32.00 ac volts nominal single component 2nd secondary
Winding Operating Voltage: 94.00 ac volts nominal single component 3rd secondary
Terminal Type And Quantity: 14 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
3184670	Power Transformer
42731	Power Transformer
E-291	Power Transformer

FAQs

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

What is the FSCG of the NSN 5950-00-005-8904?

The FSCG of the NSN 5950-00-005-8904 is 5950

Does NSN 5950-00-005-8904 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 5950-00-005-8904 contain precious materials?

Precious metal content is unknown

Does NSN 5950-00-005-8904 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 5950-00-005-8904 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Jun 16, 1972