PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5261Transformer,audio Frequency

Magnetek Inc Huntington Div · NSN 5950-00-240-6940 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-240-6940 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-240-6940. Primary manufacturer part number: 5261.
Features
  • Transformer,audio Frequency — FSC 5950
  • Impedance Rating in Ohms: 100.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Terminal Type and Quantity: 5 PIN
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Primary to Secondary Turn Ratio: 1 TO 1-7/8 SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Hole Diameter: 0.187 INCHES NOMINAL SINGLE GROUP IN
  • Body Height: 1.281 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-240-6940, 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 Magnetek Inc Huntington Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5950-00-240-6940
Primary Part Number5261
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetek Inc Huntington Div
StatusACTIVE
Impedance Rating in Ohms100.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity5 PIN
Mounting Facility Quantity2 SINGLE GROUP
Primary to Secondary Turn Ratio1 TO 1-7/8 SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Hole Diameter0.187 INCHES NOMINAL SINGLE GROUP IN
Body Height1.281 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Body Length1.500 INCHES MAXIMUM IN
Maximum Transformer Power Rating10.0 MILLIWATTS SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Width1.870 INCHES MAXIMUM IN
Distance Between Mounting Facility Centers1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeOPEN
Frequency Rating30.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Impedance Rating in Ohms500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-350-1834SMB657092 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-00-359-133411EJT4 INTERCHANGEABLE
Washer,key
Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
5998-00-425-7638526-1 INTERCHANGEABLE
Circuit Card Assembly
Marc Alan Group the, Inc
2990-00-588-41311912 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
5935-00-642-36525261 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
2910-00-737-6914 INTERCHANGEABLE
Rotor Fuel Pump
5330-00-765-2921G8-061033 INTERCHANGEABLE
Gasket
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5935-00-982-9711 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-012-3081 INTERCHANGEABLE
Connector,receptacle,electrical
9390-01-021-2223 INTERCHANGEABLE
Tape,reflective
Cross-Reference Index
Part NumberManufacturer
5261 Magnetek Inc Huntington Div (USA)
5261 Magnetek Inc Lighting Products Group (USA)
71264205-01 Moog Inc. Dba Moog Components Group (USA)
71264205-01 Moog Inc. (USA)
Related Parts
5935-00-350-1834INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SMB657092
5310-00-359-1334INTERCHANGEABLE
WASHER,KEY
11EJT4
5998-00-425-7638INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
526-1
2990-00-588-4131INTERCHANGEABLE
MUFFLER,EXHAUST
1912
5935-00-642-3652INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5261
2910-00-737-6914INTERCHANGEABLE
ROTOR FUEL PUMP
5330-00-765-2921INTERCHANGEABLE
GASKET
G8-061033
5935-00-982-9711INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-012-3081INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
9390-01-021-2223INTERCHANGEABLE
TAPE,REFLECTIVE
5915-01-062-8673INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
953028-3
2090-01-079-9361INTERCHANGEABLE
CHAIR,PLANESMAN STATION,LEFT HAN
525-127

Frequently Asked Questions

What is NSN 5950-00-240-6940?

NSN 5950-00-240-6940 is a Transformer,audio Frequency, manufactured by Magnetek Inc Huntington Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-240-6940?

NSN 5950-00-240-6940 has 4 cross-referenced part numbers: 5261 (Magnetek Inc Huntington Div), 5261 (Magnetek Inc Lighting Products Group), 71264205-01 (Moog Inc. Dba Moog Components Group), 71264205-01 (Moog Inc.).

What NSN replaces 5950-00-240-6940?

There are 12 known substitutes for 5950-00-240-6940: 5935-00-350-1834, 5310-00-359-1334, 5998-00-425-7638 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5261?

Key specifications for 5261: Impedance Rating in Ohms: 100.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Terminal Type and Quantity: 5 PIN; Mounting Facility Quantity: 2 SINGLE GROUP; Primary to Secondary Turn Ratio: 1 TO 1-7/8 SINGLE COMPONENT. 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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