B639B

View detailed technical data, stock status, and sourcing information for: B639B
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 B639B 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

5950-01-377-0906

Item Name Code

32496

Assigment Date

07/02/1993 (33 years ago)

1.550 inches maximum body length, not established reliability indicator, single phase to single phase single component input-output phase relationship, 1.350 inches maximum body width, 400.0 hertz nominal single component frequency rating

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
Frequency Rating: 400.0 hertz nominal single component
Input-Output Phase Relationship: single phase to single phase single component
Body Length: 1.550 inches maximum
Body Width: 1.350 inches maximum
Body Height: 1.100 inches maximum
Maximum Operating Temp: 130.0 celsius
Distance Between Mounting Facility Centers: 1.200 inches nominal single mounting facility single center group
Inclosure Type: fully inclosed
Mounting Facility Quantity: 2 single group
Mounting Method: threaded hole single group
Winding Function And Quantity: 1 primary and 2 secondary single component
Nominal Thread Size: 0.112 inches single group
Winding Operating Current: 1.5 amperes ac nominal single component 1st secondary
Winding Operating Current: 779.2 milliamperes ac nominal single component 2nd secondary
Winding Power Rating: 30.0 volts-amperes single component 1st secondary
Winding Power Rating: 6.0 volts-amperes single component 2nd secondary
Winding Operating Voltage: 20.50 ac volts nominal single component 1st secondary
Winding Operating Voltage: 7.70 ac volts nominal single component 2nd secondary
Winding Operating Voltage: 98.00 ac volts minimum and 124.00 ac volts maximum single component single primary
Thread Series Designator: unc single group
Terminal Type And Quantity: 6 pin

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
312A3343P3	Power Transformer
B639B	Power Transformer
ITL-1229-13	Power Transformer

FAQs

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

What is the FSCG of the NSN 5950-01-377-0906?

The FSCG of the NSN 5950-01-377-0906 is 5950

Does NSN 5950-01-377-0906 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 5950-01-377-0906 contain precious materials?

Item does not contain precious metal.

Does NSN 5950-01-377-0906 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 5950-01-377-0906 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Fri, Jul 2, 1993