940139

View detailed technical data, stock status, and sourcing information for: 940139
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5950 Coils and Transformers

National Stock Number

5950-01-128-5430

Item Name Code

32496

Assigment Date

03/25/1982 (44 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.

60.0 hertz nominal single component frequency rating, single phase to single phase single component input-output phase relationship, 3.938 inches nominal single mounting facility single center group center to center distance between mounting facilities parallel to length, 6.250 inches nominal single mounting facility single center group center to center distance between mounting facilities parallel to width, 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
Center To Center Distance Between Mounting Facilities Parallel To Length: 3.938 inches nominal single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width: 6.250 inches nominal single mounting facility single center group
Frequency Rating: 60.0 hertz nominal single component
Input-Output Phase Relationship: single phase to single phase single component
Maximum Transformer Power Rating: 6.0 kilovolt-ampere single component
Body Length: 7.875 inches nominal
Body Width: 4.750 inches nominal
Body Height: 7.250 inches nominal
Inclosure Type: hermetically sealed
Mounting Facility Quantity: 4 single group
Mounting Method: threaded stud single group
Winding Function And Quantity: 1 primary and 1 secondary single component
Thread Quantity Per Inch: 32 single group
Nominal Thread Size: 0.190 inches single group
Winding Operating Current: 5.5 milliamperes ac maximum single component single secondary
Winding Operating Current: 30.0 amperes ac maximum single component single primary
Winding Operating Voltage: 2450.00 ac volts nominal single component single secondary
Winding Operating Voltage: 418.00 ac volts nominal single component single primary
Thread Series Designator: unc single group
Terminal Type And Quantity: 6 tab, solder lug

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
940139	Power Transformer
NES-5028	Power Transformer

FAQs

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

What is the FSCG of the NSN 5950-01-128-5430?

The FSCG of the NSN 5950-01-128-5430 is 5950

Does the NSN 5950-01-128-5430 have a Schedule B code assigned?

Yes, the Schedule B code is 8504320000

Does NSN 5950-01-128-5430 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 5950-01-128-5430 contain precious materials?

Item does not contain precious metal.

Does NSN 5950-01-128-5430 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 5950-01-128-5430 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Mar 25, 1982