PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9109Transformer,audio Frequency

Standex Electronics, Inc. · NSN 5950-00-912-9087 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-912-9087 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-912-9087. Primary manufacturer part number: 9109.
Features
  • Transformer,audio Frequency — FSC 5950
  • Maximum Transformer Power Rating: 20.0 DECIBELS SINGLE COMPONENT
  • Terminal Type and Quantity: 6 TURRET
  • Winding Operating Current: 1.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Impedance Rating in Ohms: 200.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-912-9087, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Standex Electronics, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-912-9087
Primary Part Number9109
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerStandex Electronics, Inc.
StatusACTIVE
Maximum Transformer Power Rating20.0 DECIBELS SINGLE COMPONENT
Terminal Type and Quantity6 TURRET
Winding Operating Current1.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Impedance Rating in Ohms200.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length0.750 INCHES NOMINAL IN
Mounting Facility Quantity1 SINGLE GROUP
Maximum Operating Temp100.0 CELSIUS DEGC
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Impedance Rating in Ohms200.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Reliability IndicatorNOT ESTABLISHED
Body Outside Diameter1.250 INCHES NOMINAL IN
Mounting Hole Diameter0.289 INCHES NOMINAL SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-035-8735 INTERCHANGEABLE
Contact,electrical
3110-00-156-7692120224 INTERCHANGEABLE
Roller,bearing
Regal Beloit America, Inc. Dba Rollway Bearing
3455-00-254-847454-10009 INTERCHANGEABLE
Cutter,milling,concave
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5340-00-286-4086BE205 INTERCHANGEABLE
Bumper
Src Elastomerics, Inc. Dba Src Elastomerics Inc Div Stockwell Elastomerics Inc
6240-00-460-3952910-9 INTERCHANGEABLE
Lamp,indicator
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
3110-00-772-66299109 INTERCHANGEABLE
Bearing,fan
Philips Industries Inc
4730-01-009-3201 INTERCHANGEABLE
Union,joint Stop
5305-01-160-75069109 INTERCHANGEABLE
Screw,cap,hexagon Head
Dana Commercial Vehicle Products, Llc
5340-01-170-14189109 INTERCHANGEABLE
Caster,swivel
Saginaw Products Corporation Dba Cignys
5962-01-202-5351 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
9109 PRIMARY Standex Electronics, Inc. (USA)
99945SCEE154-1 Northrop Grumman Systems Corporation (USA)
Related Parts
5999-00-035-8735INTERCHANGEABLE
CONTACT,ELECTRICAL
3110-00-156-7692INTERCHANGEABLE
ROLLER,BEARING
120224
3455-00-254-8474INTERCHANGEABLE
CUTTER,MILLING,CONCAVE
54-10009
5340-00-286-4086INTERCHANGEABLE
BUMPER
BE205
6240-00-460-3952INTERCHANGEABLE
LAMP,INDICATOR
910-9
3110-00-772-6629INTERCHANGEABLE
BEARING,FAN
9109
4730-01-009-3201INTERCHANGEABLE
UNION,JOINT STOP
5305-01-160-7506INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
9109
5340-01-170-1418INTERCHANGEABLE
CASTER,SWIVEL
9109
5962-01-202-5351INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5998-01-310-4528INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
9109
5962-01-336-9148INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
7571144-055

Frequently Asked Questions

What is NSN 5950-00-912-9087?

NSN 5950-00-912-9087 is a Transformer,audio Frequency, manufactured by Standex Electronics, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-912-9087?

NSN 5950-00-912-9087 has 2 cross-referenced part numbers: 9109 (Standex Electronics, Inc.), 99945SCEE154-1 (Northrop Grumman Systems Corporation).

What NSN replaces 5950-00-912-9087?

There are 12 known substitutes for 5950-00-912-9087: 5999-00-035-8735, 3110-00-156-7692, 3455-00-254-8474 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9109?

Key specifications for 9109: Maximum Transformer Power Rating: 20.0 DECIBELS SINGLE COMPONENT; Terminal Type and Quantity: 6 TURRET; Winding Operating Current: 1.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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