HSM81

View detailed technical data, stock status, and sourcing information for: HSM81

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HSM81
Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5950 Coils and Transformers
National Stock Number
5950-00-066-9224
Item Name Code
00780
Assigment Date
01/01/1963 (63 years ago)

A transformer which is designed so that part or all of its range of operating frequencies is 20 kilohertz (kilocycles) and below. The maximum value may extend into the radio frequency range. It is generally used in the input, output, amplifier, or oscillator stages of audio and sonar devices.

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 center to center distance between mounting facilities parallel to length, 4.0 nominal and 16.0 nominal single component single secondary impedance rating in ohms, not established reliability indicator, 4000.0 nominal single component all primary impedance rating in ohms

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
2.625 inches nominal single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
2.125 inches nominal single mounting facility single center group
Impedance Rating In Ohms
4.0 nominal and 16.0 nominal single component single secondary
Impedance Rating In Ohms
4000.0 nominal single component all primary
Frequency Rating
7.0 hertz minimum and 50.0 kilohertz maximum single component
Maximum Transformer Power Rating
15.0 watts single component
Winding Shielding Method
internal shield grounded to inclosure and core and brought out to terminal single component
Body Length
3.062 inches nominal
Body Width
3.562 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
2 primary and 1 secondary single component
Thread Quantity Per Inch
32 single group
Nominal Thread Size
0.164 inches single group
Thread Series Designator
unc single group
Terminal Type And Quantity
9 tab, solder lug

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5950-00-645-7716 No Name Available 08/11/1969

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
507326 Audio Frequency Transformer
HSM81 Audio Frequency Transformer

FAQs

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

What is the FSCG of the NSN 5950-00-066-9224?
The FSCG of the NSN 5950-00-066-9224 is 5950
Does the NSN 5950-00-066-9224 have a Schedule B code assigned?
Yes, the Schedule B code is 8548900100
Does NSN 5950-00-066-9224 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 5950-00-066-9224 contain precious materials?
Precious metal content is unknown
Does NSN 5950-00-066-9224 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 5950-00-066-9224 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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