3PN2520

View detailed technical data, stock status, and sourcing information for: 3PN2520
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5950 Coils and Transformers

National Stock Number

5950-00-139-5295

Item Name Code

32496

Assigment Date

09/01/1971 (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.

0.375 inches nominal single group mounting hole diameter, 6.000 inches nominal single mounting facility single center group center to center distance between mounting facilities parallel to width, 50.0 hertz nominal or 60.0 hertz nominal single component frequency rating, 6.000 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.

Center To Center Distance Between Mounting Facilities Parallel To Length: 6.000 inches nominal single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width: 6.000 inches nominal single mounting facility single center group
Mounting Hole Diameter: 0.375 inches nominal single group
Frequency Rating: 50.0 hertz nominal or 60.0 hertz nominal single component
Input-Output Phase Relationship: single phase to single phase single component
Inclosure Type: fully inclosed
Mounting Facility Quantity: 4 single group
Mounting Method: flange and unthreaded hole single group
Winding Function And Quantity: 1 primary, variable autotransformer type single component
Winding Operating Current: 10.0 amperes ac maximum single component single primary
Winding Power Rating: 2.4 kilovolt-amperes single component single primary
Winding Operating Voltage: 240.00 ac volts nominal single component single primary

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5950-01-060-6011	No Name Available	06/14/2023

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
265-173	Power Transformer
3PN2520	Power Transformer
VS236B	Power Transformer

FAQs

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

What is the FSCG of the NSN 5950-00-139-5295?

The FSCG of the NSN 5950-00-139-5295 is 5950

Does NSN 5950-00-139-5295 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 5950-00-139-5295 contain precious materials?

Precious metal content is unknown

Does NSN 5950-00-139-5295 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 5950-00-139-5295 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Sep 1, 1971