42957-1

View detailed technical data, stock status, and sourcing information for: 42957-1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5950 Coils and Transformers

National Stock Number

5950-01-238-4695

Item Name Code

32496

Assigment Date

08/14/1986 (39 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.

2.500 inches nominal single mounting facility single center group center to center distance between mounting facilities parallel to width, 400.0 hertz nominal single component frequency rating, not established reliability indicator, 2.500 inches nominal single mounting facility single center group center to center distance between mounting facilities parallel to length, single phase to single phase single component input-output phase relationship

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
Center To Center Distance Between Mounting Facilities Parallel To Length: 2.500 inches nominal single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width: 2.500 inches nominal single mounting facility single center group
Frequency Rating: 400.0 hertz nominal single component
Input-Output Phase Relationship: single phase to single phase single component
Winding Shielding Method: internal shield brought out to terminal single component
Body Length: 3.150 inches maximum
Body Width: 3.150 inches maximum
Body Height: 1.800 inches maximum
Inclosure Type: fully inclosed
Mounting Facility Quantity: 5 single group
Mounting Method: threaded hole single group
Winding Function And Quantity: 1 primary and 2 secondary single component
Nominal Thread Size: 0.164 inches single group
Winding Operating Current: 2.3 amperes dc maximum single component single primary
Winding Operating Voltage: 118.00 ac volts nominal single component single primary
Winding Operating Voltage: 26.00 ac volts nominal single component 2nd secondary
Winding Operating Voltage: 6.00 ac volts nominal single component 1st secondary
Thread Series Designator: unc single group
Terminal Type And Quantity: 7 turret

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
24-0721-21	Power Transformer
2400721-21	Power Transformer
380-10387-1	Power Transformer
42957-1	Power Transformer

FAQs

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

What is the FSCG of the NSN 5950-01-238-4695?

The FSCG of the NSN 5950-01-238-4695 is 5950

Does NSN 5950-01-238-4695 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 5950-01-238-4695 contain precious materials?

Item does not contain precious metal.

Does NSN 5950-01-238-4695 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 5950-01-238-4695 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Aug 14, 1986