21-78

View detailed technical data, stock status, and sourcing information for: 21-78
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5950 Coils and Transformers

National Stock Number

5950-00-147-1476

Item Name Code

00724

Assigment Date

01/01/1963 (63 years ago)

A coil or coils usually constructed with cores having low magnetic reluctance, whose primary purpose is to furnish an inductive impedance in power or audio frequency circuit ranging from zero to 20 kilohertz (kilocycles). Includes audio frequency and power filter chokes, audio reactors and swinging chokes. Does not include transformers or coils used above audio frequency range. Excludes:saturable reactor. For reactors with air cores, see coil (as modified).

0.188 inches nominal single group mounting hole diameter, not established reliability indicator, fixed inductance type, 8.00 henry maximum single component single winding inductance rating, 60.0 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
Mounting Hole Diameter: 0.188 inches nominal single group
Inductance Type: fixed
Inductance Rating: 8.00 henry maximum single component single winding
Frequency Rating: 60.0 hertz nominal single component
Body Length: 1.938 inches nominal
Body Width: 1.375 inches nominal
Body Height: 1.625 inches nominal
Distance Between Mounting Facility Centers: 2.375 inches nominal single mounting facility single center group
Winding Quantity: 1 single component
Inclosure Type: partially inclosed, double shell
Mounting Facility Quantity: 2 single group
Mounting Method: unthreaded hole single group
Winding Operating Current: 35.0 milliamperes dc maximum single component single winding
Dc Resistance Rating In Ohms: 348.000 single component single winding
Terminal Type And Quantity: 2 wire lead

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5950-00-221-6622	No Name Available	07/07/1967

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
21-78	Reactor
21003380-21-338	Reactor

FAQs

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

What is the FSCG of the NSN 5950-00-147-1476?

The FSCG of the NSN 5950-00-147-1476 is 5950

Does the NSN 5950-00-147-1476 have a Schedule B code assigned?

Yes, the Schedule B code is 8504900020

Does NSN 5950-00-147-1476 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 5950-00-147-1476 contain precious materials?

Precious metal content is unknown

Does NSN 5950-00-147-1476 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 5950-00-147-1476 was assigned to the Federal Catalog?

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