PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50498Transformer,audio Frequency

Opt Industries Inc Div of Electronika Inc · NSN 5950-00-951-3903 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-951-3903 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-951-3903. Primary manufacturer part number: 50498.
Features
  • Transformer,audio Frequency — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Body Height: 0.875 INCHES NOMINAL IN
  • Maximum Transformer Power Rating: 13.0 MILLIWATTS SINGLE COMPONENT
  • Winding Operating Current: 60.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Primary to Secondary Turn Ratio: 1 TO 1 SINGLE COMPONENT
  • Mounting Method: TERMINAL SINGLE GROUP
  • Frequency Rating: 250.0 HERTZ MINIMUM AND 4.0 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 5950-00-951-3903, 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 Opt Industries Inc Div of Electronika Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-951-3903
Primary Part Number50498
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOpt Industries Inc Div of Electronika Inc
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Body Height0.875 INCHES NOMINAL IN
Maximum Transformer Power Rating13.0 MILLIWATTS SINGLE COMPONENT
Winding Operating Current60.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Frequency Rating250.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length0.796 INCHES NOMINAL IN
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Transformer FunctionLINE
Impedance Rating in Ohms30.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity6 PIN
Body Width0.796 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-31122608P11 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Taylor Machine Works Inc
5905-00-104-8363 INTERCHANGEABLE
Resistor,fixed,composition
4730-00-196-0930 INTERCHANGEABLE
Bushing,pipe
6640-00-422-9400 INTERCHANGEABLE
Condenser,laboratory
3030-00-528-4750 INTERCHANGEABLE
Belt,v
5325-00-534-6629A85-23 INTERCHANGEABLE
Ring,retaining
Universal Aircraft Parts Inc
4730-00-711-492050498 INTERCHANGEABLE
Coupling,pipe
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5306-00-717-9637 INTERCHANGEABLE
Bolt,square Neck
5935-00-795-29323663 INTERCHANGEABLE
Connector,receptacle,electrical
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5999-00-937-9091SM-C-540711 INTERCHANGEABLE
Delay Line
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
50498 Opt Industries Inc Div of Electronika Inc (USA)
666164-029 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
3880 Precision Electronics, Inc (USA)
A8523 Autodyne Manufacturing Co Inc (USA)
Related Parts
3110-00-100-3112INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2608P11
5905-00-104-8363INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
4730-00-196-0930INTERCHANGEABLE
BUSHING,PIPE
6640-00-422-9400INTERCHANGEABLE
CONDENSER,LABORATORY
3030-00-528-4750INTERCHANGEABLE
BELT,V
5325-00-534-6629INTERCHANGEABLE
RING,RETAINING
A85-23
4730-00-711-4920INTERCHANGEABLE
COUPLING,PIPE
50498
5306-00-717-9637INTERCHANGEABLE
BOLT,SQUARE NECK
5935-00-795-2932INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3663
5999-00-937-9091INTERCHANGEABLE
DELAY LINE
SM-C-540711
6730-00-962-6160INTERCHANGEABLE
REWIND TAKE-UP
3880
6625-01-140-1703INTERCHANGEABLE
TEST SET,AMPLIFIER
3880

Frequently Asked Questions

What is NSN 5950-00-951-3903?

NSN 5950-00-951-3903 is a Transformer,audio Frequency, manufactured by Opt Industries Inc Div of Electronika Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-951-3903?

NSN 5950-00-951-3903 has 4 cross-referenced part numbers: 50498 (Opt Industries Inc Div of Electronika Inc), 666164-029 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 3880 (Precision Electronics, Inc), A8523 (Autodyne Manufacturing Co Inc).

What NSN replaces 5950-00-951-3903?

There are 12 known substitutes for 5950-00-951-3903: 3110-00-100-3112, 5905-00-104-8363, 4730-00-196-0930 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50498?

Key specifications for 50498: Inclosure Type: FULLY INCLOSED; Body Height: 0.875 INCHES NOMINAL IN; Maximum Transformer Power Rating: 13.0 MILLIWATTS SINGLE COMPONENT; Winding Operating Current: 60.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY. 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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