PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55545Transformer,audio Frequency

General Dynamics Mission Systems, Inc. · NSN 5950-00-154-0303 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-154-0303 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-154-0303. Primary manufacturer part number: 55545.
Features
  • Transformer,audio Frequency — FSC 5950
  • Winding Operating Current: 7.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Impedance Rating in Ohms: 175000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Impedance Rating in Ohms: 35000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Frequency Rating: 300.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Bolt Circle Diameter: 0.531 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Primary to Secondary Turn Ratio: 1 TO 2-1/4 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 5950-00-154-0303, 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 General Dynamics Mission Systems, Inc.. Government technical data includes 15 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
NSN5950-00-154-0303
Primary Part Number55545
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusACTIVE
Winding Operating Current7.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Impedance Rating in Ohms175000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Impedance Rating in Ohms35000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating300.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Bolt Circle Diameter0.531 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Primary to Secondary Turn Ratio1 TO 2-1/4 SINGLE COMPONENT
Body Outside Diameter1.500 INCHES NOMINAL IN
Terminal Type and Quantity5 SOLDER STUD
Inclosure TypeHERMETICALLY SEALED
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Body Length1.531 INCHES NOMINAL IN
Maximum Transformer Power Rating2.5 WATTS SINGLE COMPONENT
Mounting Facility Quantity3 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2920-00-831-0981515545 INTERCHANGEABLE
Cover,regulator
Honeywell International Inc. Div Aerospace - Torrance
3455-00-996-957715433 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
6625-01-343-33714981P1100-82 INTERCHANGEABLE
Meter,special Scale
L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division
5935-01-729-373055545 INTERCHANGEABLE
Cover,electrical Connector
Logos Imaging Llc
Cross-Reference Index
Part NumberManufacturer
55545 General Dynamics Mission Systems, Inc. (USA)
55545 Gte Products Corp Entertainment Products Group (USA)
Related Parts
2920-00-831-0981INTERCHANGEABLE
COVER,REGULATOR
515545
3455-00-996-9577INTERCHANGEABLE
CUTTER,MILLING,END
15433
6625-01-343-3371INTERCHANGEABLE
METER,SPECIAL SCALE
4981P1100-82
5935-01-729-3730INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
55545

Frequently Asked Questions

What is NSN 5950-00-154-0303?

NSN 5950-00-154-0303 is a Transformer,audio Frequency, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-154-0303?

NSN 5950-00-154-0303 has 2 cross-referenced part numbers: 55545 (General Dynamics Mission Systems, Inc.), 55545 (Gte Products Corp Entertainment Products Group).

What NSN replaces 5950-00-154-0303?

There are 4 known substitutes for 5950-00-154-0303: 2920-00-831-0981, 3455-00-996-9577, 6625-01-343-3371 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55545?

Key specifications for 55545: Winding Operating Current: 7.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Impedance Rating in Ohms: 175000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Impedance Rating in Ohms: 35000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Frequency Rating: 300.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. 15 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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