PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26696Transformer,audio Frequency

Freed Transformer Co · NSN 5950-00-660-7399 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-660-7399 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-660-7399. Primary manufacturer part number: 26696.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 2.312 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Impedance Rating in Ohms: 6500.0 NOMINAL AND 8500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Inclosure Type: HERMETICALLY SEALED
  • Winding Operating Current: 65.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-660-7399, 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 22 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-660-7399
Primary Part Number26696
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length2.312 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Impedance Rating in Ohms6500.0 NOMINAL AND 8500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeHERMETICALLY SEALED
Winding Operating Current65.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Impedance Rating in Ohms10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Body Width2.312 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Current90.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Height3.125 INCHES NOMINAL IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Maximum Transformer Power Rating10.0 WATTS SINGLE COMPONENT
Transformer FunctionMODULATION
Center to Center Distance Between Mounting Facilities Parallel to Width1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
9540-00-805-0457 INTERCHANGEABLE
Beam,structural
5331-01-133-0888840026 INTERCHANGEABLE
O-Ring
Eaton Aerospace, Llc Dba Jackson South
4140-01-219-4754 INTERCHANGEABLE
Impeller,fan,axial
7050-01-601-136091146 INTERCHANGEABLE
Computer Subassembly
Ziehm Imaging, Inc.
Cross-Reference Index
Part NumberManufacturer
26696 PRIMARY Freed Transformer Co (USA)
840026 Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA)
Related Parts
9540-00-805-0457INTERCHANGEABLE
BEAM,STRUCTURAL
5331-01-133-0888INTERCHANGEABLE
O-RING
840026
4140-01-219-4754INTERCHANGEABLE
IMPELLER,FAN,AXIAL
7050-01-601-1360INTERCHANGEABLE
COMPUTER SUBASSEMBLY
91146

Frequently Asked Questions

What is NSN 5950-00-660-7399?

NSN 5950-00-660-7399 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 5950-00-660-7399?

NSN 5950-00-660-7399 has 2 cross-referenced part numbers: 26696 (Freed Transformer Co), 840026 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")).

What NSN replaces 5950-00-660-7399?

There are 4 known substitutes for 5950-00-660-7399: 9540-00-805-0457, 5331-01-133-0888, 4140-01-219-4754 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26696?

Key specifications for 26696: Reliability Indicator: NOT ESTABLISHED; Body Length: 2.312 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SINGLE GROUP; Thread Quantity Per Inch: 32 SINGLE GROUP. 22 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com