R391-1

View detailed technical data, stock status, and sourcing information for: R391-1
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part R391-1 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5950 Coils and Transformers

National Stock Number

5950-00-647-5145

Item Name Code

32496

Assigment Date

01/01/1963 (63 years ago)

2.625 inches nominal single mounting facility single center group center to center distance between mounting facilities parallel to width, single phase to single phase single component input-output phase relationship, 2.125 inches nominal single mounting facility single center group center to center distance between mounting facilities parallel to length, 60.0 hertz minimum and 400.0 hertz maximum single component frequency rating, 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: 2.125 inches nominal single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width: 2.625 inches nominal single mounting facility single center group
Frequency Rating: 60.0 hertz minimum and 400.0 hertz maximum single component
Input-Output Phase Relationship: single phase to single phase single component
Winding Shielding Method: internal shield grounded to inclosure single component
Body Length: 3.562 inches nominal
Body Width: 3.062 inches nominal
Body Height: 3.875 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 3 secondary single component
Thread Quantity Per Inch: 32 single group
Nominal Thread Size: 0.138 inches single group
Winding Operating Current: 2.0 amperes ac maximum single component 3rd secondary
Winding Operating Current: 3.0 amperes ac maximum single component 1st secondary
Winding Operating Current: 55.0 milliamperes ac maximum single component 2nd secondary
Winding Operating Voltage: 115.00 ac volts nominal single component single primary
Winding Operating Voltage: 275.00 ac volts nominal single component 2nd secondary
Winding Operating Voltage: 6.30 ac volts nominal single component 1st secondary
Winding Operating Voltage: 5.00 ac volts nominal single component 3rd secondary
Thread Series Designator: unc single group
Terminal Type And Quantity: 10 standoff insulator

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
R391-1	Power Transformer

FAQs

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

What is the FSCG of the NSN 5950-00-647-5145?

The FSCG of the NSN 5950-00-647-5145 is 5950

Does NSN 5950-00-647-5145 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 5950-00-647-5145 contain precious materials?

Precious metal content is unknown

Does NSN 5950-00-647-5145 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 5950-00-647-5145 was assigned to the Federal Catalog?

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