B987-1

View detailed technical data, stock status, and sourcing information for: B987-1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5950 Coils and Transformers

National Stock Number

5950-01-342-2789

Item Name Code

00777

Assigment Date

07/18/1991 (35 years ago)

An item having either a single tapped winding (autotransformer type), or two or more windings designed to furnish inductive reactance and/or transfer electrical energy in circuits by means of a magnetic field. It is so designed that its entire intended range of operations is above 20 kilohertz (kilocycles). The minimum value may extend into the audio frequency range (below 20 kilohertz). It may include integral capacitors, coils, resistors, and adjustable tuning cores. For items having only two active terminals see coil, radio frequency. Includes types having windings which may be moved with respect to each other. Excludes:transformer, discriminator.

0.425 inches nominal single mounting facility single center group center to center distance between mounting facilities parallel to length, 23 single component all secondary turn quantity, not established reliability indicator, 16 single component all primary turn quantity, 0.540 inches maximum overall length

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
Overall Length: 0.540 inches maximum
Turn Quantity: 16 single component all primary
Turn Quantity: 23 single component all secondary
Center To Center Distance Between Mounting Facilities Parallel To Length: 0.425 inches nominal single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width: 0.375 inches nominal single mounting facility single center group
Overall Width: 0.540 inches maximum
Inductance Rating: 546.60 microhenries nominal single component all primary
Frequency Rating: 10.0 kilohertz nominal or 75.0 kilohertz nominal single component
Coil Form Type: solid single component
Body Height: 0.460 inches maximum
Maximum Operating Temp: 155.0 celsius
Inclosure Type: fully inclosed
Mounting Method: terminal single group
Rating Method: electrical and winding turns single component all primary
Rating Method: winding turns single component all secondary
Winding Function And Quantity: 2 primary and 2 secondary single component
Features Provided: tinned wire leads
Winding Conductor Size: 0.01003 inches american wire gage single component all primary
Winding Conductor Size: 0.01003 inches american wire gage single component all secondary
Test Data Document: 95105-276-0089 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity: 8 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
276-0089-010	Radio Frequency Transformer
B987-1	Radio Frequency Transformer

FAQs

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

What is the FSCG of the NSN 5950-01-342-2789?

The FSCG of the NSN 5950-01-342-2789 is 5950

Does the NSN 5950-01-342-2789 have a Schedule B code assigned?

Yes, the Schedule B code is 8548900100

Does NSN 5950-01-342-2789 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 5950-01-342-2789 contain precious materials?

Item does not contain precious metal.

Does NSN 5950-01-342-2789 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 5950-01-342-2789 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Thu, Jul 18, 1991