PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G5603Transformer,audio Frequency

Magnetika Inc · NSN 5950-00-254-3997 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-254-3997 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-254-3997. Primary manufacturer part number: G5603.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Primary to Secondary Turn Ratio: 1 TO 35-19/64 SINGLE COMPONENT
  • Body Outside Diameter: 0.875 INCHES NOMINAL IN
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Frequency Rating: 250.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Impedance Rating in Ohms: 125000.0 NOMINAL 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 5950-00-254-3997, 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 Magnetika 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-254-3997
Primary Part NumberG5603
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Primary to Secondary Turn Ratio1 TO 35-19/64 SINGLE COMPONENT
Body Outside Diameter0.875 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Frequency Rating250.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Impedance Rating in Ohms125000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Length1.375 INCHES NOMINAL IN
Terminal Type and Quantity4 STANDOFF, SOLDER LUG
Impedance Rating in Ohms100.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Transformer FunctionINPUT
Distance Between Mounting Facility Centers2.218 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeHERMETICALLY SEALED
Mounting Facility Quantity2 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3120-01-288-6448G5-603 INTERCHANGEABLE
Bushing,sleeve
Roper Industries Inc Roper Pump Co Div
5998-01-471-3620G-5603A INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
G5603 United Transformer Corp Sub of Opt Industries Inc (USA)
G5603 PRIMARY Magnetika Inc (USA)
Related Parts
3120-01-288-6448INTERCHANGEABLE
BUSHING,SLEEVE
G5-603
5998-01-471-3620INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
G-5603A

Frequently Asked Questions

What is NSN 5950-00-254-3997?

NSN 5950-00-254-3997 is a Transformer,audio Frequency, manufactured by Magnetika Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-254-3997?

NSN 5950-00-254-3997 has 2 cross-referenced part numbers: G5603 (United Transformer Corp Sub of Opt Industries Inc), G5603 (Magnetika Inc).

What NSN replaces 5950-00-254-3997?

There are 2 known substitutes for 5950-00-254-3997: 3120-01-288-6448, 5998-01-471-3620. Verify interchangeability with system specifications before substitution.

What are the specifications of G5603?

Key specifications for G5603: Reliability Indicator: NOT ESTABLISHED; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Primary to Secondary Turn Ratio: 1 TO 35-19/64 SINGLE COMPONENT; Body Outside Diameter: 0.875 INCHES NOMINAL IN. 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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