PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

36661Transformer,audio Frequency

Freed Transformer Co · NSN 5950-00-449-0141 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-449-0141 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-449-0141. Primary manufacturer part number: 36661.
Features
  • Transformer,audio Frequency — FSC 5950
  • Distance Between Mounting Facility Centers: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 0.875 INCHES NOMINAL IN
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Body Width: 0.875 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY 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 5950-00-449-0141, 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 Freed Transformer Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-449-0141
Primary Part Number36661
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Distance Between Mounting Facility Centers1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height0.875 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Width0.875 INCHES NOMINAL IN
Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Maximum Transformer Power Rating150.0 MILLIWATTS SINGLE COMPONENT
Frequency Rating200.0 HERTZ MINIMUM AND 6.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Terminal Type and Quantity5 TAB, SOLDER LUG
Impedance Rating in Ohms100.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length1.062 INCHES NOMINAL IN
Winding Operating Current120.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity2 SINGLE GROUP
Inclosure TypeOPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-185-6461 INTERCHANGEABLE
Nut,plain,round
5977-00-377-48243666 INTERCHANGEABLE
Ring,electrical Contact
Kurz & Root Generator Company, Llc
3120-01-181-2352BLFN4-011REVB INTERCHANGEABLE
Bearing,plain,self-Aligning
Rbc Southwest Products, Inc.
4730-01-485-558536661 INTERCHANGEABLE
Adapter,straight,tube to Boss
Lourdes Industries, Inc.
5120-01-673-7481EP-0023106 INTERCHANGEABLE
Key,socket Head Screw
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
36661 PRIMARY Freed Transformer Co (USA)
Related Parts
5310-00-185-6461INTERCHANGEABLE
NUT,PLAIN,ROUND
5977-00-377-4824INTERCHANGEABLE
RING,ELECTRICAL CONTACT
3666
3120-01-181-2352INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
BLFN4-011REVB
4730-01-485-5585INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
36661
5120-01-673-7481INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
EP-0023106

Frequently Asked Questions

What is NSN 5950-00-449-0141?

NSN 5950-00-449-0141 is a Transformer,audio Frequency, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-449-0141?

NSN 5950-00-449-0141 has 1 cross-referenced part number: 36661 (Freed Transformer Co).

What NSN replaces 5950-00-449-0141?

There are 5 known substitutes for 5950-00-449-0141: 5310-00-185-6461, 5977-00-377-4824, 3120-01-181-2352 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 36661?

Key specifications for 36661: Distance Between Mounting Facility Centers: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Height: 0.875 INCHES NOMINAL IN; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP; Body Width: 0.875 INCHES NOMINAL IN. 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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