PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15273Transformer,audio Frequency

Freed Transformer Co · NSN 5950-00-229-5155 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-229-5155 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-229-5155. Primary manufacturer part number: 15273.
Features
  • Transformer,audio Frequency — FSC 5950
  • Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN
  • Maximum Transformer Power Rating: 4.0 WATTS SINGLE COMPONENT
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Body Length: 2.250 INCHES NOMINAL IN
  • Impedance Rating in Ohms: 1696.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Frequency Rating: 500.0 HERTZ MINIMUM AND 1.0 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 5950-00-229-5155, 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 21 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-229-5155
Primary Part Number15273
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Maximum Transformer Power Rating4.0 WATTS SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length2.250 INCHES NOMINAL IN
Impedance Rating in Ohms1696.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating500.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Width1.500 INCHES NOMINAL IN
Primary to Secondary Turn Ratio3 TO 1 SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Terminal Type and Quantity4 TAB, SOLDER LUG
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height1.938 INCHES NOMINAL IN
Impedance Rating in Ohms188.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Transformer FunctionINTERSTAGE
Thread Quantity Per Inch32 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5915-00-103-02752558160-3 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-294-889999115273 INTERCHANGEABLE
Gear,spur
Alfa Laval Inc
5950-00-406-396511213 INTERCHANGEABLE
Transformer,pulse
Inrcore, Llc Div Inrcore
1560-01-027-005215273 INTERCHANGEABLE
Support,structural Component,air
Nuspace, Inc
5310-01-068-8405 INTERCHANGEABLE
Nut
5120-01-071-367315-173-B8 INTERCHANGEABLE
Crimping Tool,sheet Metal Pipe,h
Bon Tool Co
6510-01-320-78951527-3 INTERCHANGEABLE
Adhesive Tape,surgical
3m Company Div Health Care Business
5995-01-567-783015273 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Elbitamerica, Inc. Dba Elbitamerica Inc
5935-01-630-595315273 INTERCHANGEABLE
Connector Assembly,electrical
Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems
Cross-Reference Index
Part NumberManufacturer
15273 PRIMARY Freed Transformer Co (USA)
Related Parts
5915-00-103-0275INTERCHANGEABLE
FILTER,BAND PASS
2558160-3
3020-00-294-8899INTERCHANGEABLE
GEAR,SPUR
99115273
5950-00-406-3965INTERCHANGEABLE
TRANSFORMER,PULSE
11213
1560-01-027-0052INTERCHANGEABLE
SUPPORT,STRUCTURAL COMPONENT,AIR
15273
5310-01-068-8405INTERCHANGEABLE
NUT
5120-01-071-3673INTERCHANGEABLE
CRIMPING TOOL,SHEET METAL PIPE,H
15-173-B8
6510-01-320-7895INTERCHANGEABLE
ADHESIVE TAPE,SURGICAL
1527-3
5995-01-567-7830INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
15273
5935-01-630-5953INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
15273

Frequently Asked Questions

What is NSN 5950-00-229-5155?

NSN 5950-00-229-5155 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 5950-00-229-5155?

NSN 5950-00-229-5155 has 1 cross-referenced part number: 15273 (Freed Transformer Co).

What NSN replaces 5950-00-229-5155?

There are 9 known substitutes for 5950-00-229-5155: 5915-00-103-0275, 3020-00-294-8899, 5950-00-406-3965 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15273?

Key specifications for 15273: Special Features: CASE STEEL MATERIAL; Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN; Maximum Transformer Power Rating: 4.0 WATTS SINGLE COMPONENT; Inclosure Type: HERMETICALLY SEALED. 22 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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