PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68-61Transformer,audio Frequency

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5950-00-645-5478 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-5478 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-5478. Primary manufacturer part number: 68-61.
Features
  • Transformer,audio Frequency — FSC 5950
  • Transformer Function: MODULATION
  • Reliability Indicator: NOT ESTABLISHED
  • Impedance Rating in Ohms: 14400.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Width: 1.625 INCHES NOMINAL IN
  • Frequency Rating: 400.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-645-5478, 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 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 21 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
NSN5950-00-645-5478
Primary Part Number68-61
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Transformer FunctionMODULATION
Reliability IndicatorNOT ESTABLISHED
Impedance Rating in Ohms14400.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Quantity Per Inch32 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width1.625 INCHES NOMINAL IN
Frequency Rating400.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Height2.375 INCHES NOMINAL IN
Distance Between Mounting Facility Centers1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Maximum Transformer Power Rating15.0 DECIBELS SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Primary to Secondary Turn Ratio1 TO 1-2/10 SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity4 STANDOFF, SOLDER LUG
Body Length1.875 INCHES NOMINAL IN
Impedance Rating in Ohms10000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1560-00-001-6972 INTERCHANGEABLE
Adapter,pressure Fuel Servicing
5905-00-036-885509-06861-0A INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ballantine Laboratories Inc
5136-00-189-3194402225 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
5315-00-281-7652306001 INTERCHANGEABLE
Key,machine
Garwood/feller Inc Garwood Winch Div
4820-00-485-9329S90198/300121 INTERCHANGEABLE
Parts Kit,check Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5995-00-617-04137441989G3 INTERCHANGEABLE
Cable Assembly,radio Frequency
Lockheed Martin Corporation Div Rms
5307-00-637-6465MS16187-61 INTERCHANGEABLE
Stud,continuous Thread
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4820-00-922-2801 INTERCHANGEABLE
Valve,check
5950-01-040-05315904689 INTERCHANGEABLE
Coil,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5340-01-115-6745NL150-7-P INTERCHANGEABLE
Cover,access
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
23209 Freed Transformer Co (USA)
68-61 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
1560-00-001-6972INTERCHANGEABLE
ADAPTER,PRESSURE FUEL SERVICING
5905-00-036-8855INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
09-06861-0A
5136-00-189-3194INTERCHANGEABLE
DIE,THREAD CUTTING
402225
5315-00-281-7652INTERCHANGEABLE
KEY,MACHINE
306001
4820-00-485-9329INTERCHANGEABLE
PARTS KIT,CHECK VALVE
S90198/300121
5995-00-617-0413INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
7441989G3
5307-00-637-6465INTERCHANGEABLE
STUD,CONTINUOUS THREAD
MS16187-61
4820-00-922-2801INTERCHANGEABLE
VALVE,CHECK
5950-01-040-0531INTERCHANGEABLE
COIL,RADIO FREQUENCY
5904689
5340-01-115-6745INTERCHANGEABLE
COVER,ACCESS
NL150-7-P
5325-01-166-6323INTERCHANGEABLE
RING,RETAINING
23209
4820-01-185-2287INTERCHANGEABLE
VALVE,CHECK
6861 1/2IN

Frequently Asked Questions

What is NSN 5950-00-645-5478?

NSN 5950-00-645-5478 is a Transformer,audio Frequency, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-5478?

NSN 5950-00-645-5478 has 2 cross-referenced part numbers: 23209 (Freed Transformer Co), 68-61 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).

What NSN replaces 5950-00-645-5478?

There are 12 known substitutes for 5950-00-645-5478: 1560-00-001-6972, 5905-00-036-8855, 5136-00-189-3194 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 68-61?

Key specifications for 68-61: Transformer Function: MODULATION; Reliability Indicator: NOT ESTABLISHED; Impedance Rating in Ohms: 14400.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Thread Quantity Per Inch: 32 SINGLE GROUP. 21 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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