PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

677-0503-010Transformer,audio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-01-233-9341 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-233-9341 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-233-9341. Primary manufacturer part number: 677-0503-010.
Features
  • Transformer,audio Frequency — FSC 5950
  • Body Outside Diameter: 0.750 INCHES NOMINAL IN
  • Impedance Rating in Ohms: 12.5 NOMINAL SINGLE COMPONENT ALL SECONDARY
  • Impedance Rating in Ohms: 300.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 30.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Body Length: 0.520 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 7 WIRE LEAD
  • Maximum Transformer Power Rating: 2.0 WATTS 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 5950-01-233-9341, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-233-9341
Primary Part Number677-0503-010
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Body Outside Diameter0.750 INCHES NOMINAL IN
Impedance Rating in Ohms12.5 NOMINAL SINGLE COMPONENT ALL SECONDARY
Impedance Rating in Ohms300.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating50.0 HERTZ MINIMUM AND 30.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Length0.520 INCHES MAXIMUM IN
Terminal Type and Quantity7 WIRE LEAD
Maximum Transformer Power Rating2.0 WATTS SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Maximum Operating Temp105.0 CELSIUS DEGC
Winding Operating Current5.5 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTERMINAL SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-144-87891B4114 INTERCHANGEABLE
Bearing,ball,annular
Caterpillar Inc Div Caterpillar Defense
4820-00-399-288942979 INTERCHANGEABLE
Disk,valve
Spirax Sarco Inc Dba Spirax Sarco
5962-01-088-985942979 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5310-01-580-099842979 INTERCHANGEABLE
Nut Blank
Brunswick Corp Mercury Marine Div Government Sales
2910-01-648-132942979 INTERCHANGEABLE
Modification Kit,engine Accessor
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
677-0503-010 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
10132888 Nimikkeistokeskus Ncb Finland (FIN)
S-21085 Pico Electronics Inc (USA)
42979 Coast/advanced Chip Magnetics, Inc. (USA)
S-21085 Elcos (BEL)
Related Parts
3110-00-144-8789INTERCHANGEABLE
BEARING,BALL,ANNULAR
1B4114
4820-00-399-2889INTERCHANGEABLE
DISK,VALVE
42979
5962-01-088-9859INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42979
5310-01-580-0998INTERCHANGEABLE
NUT BLANK
42979
2910-01-648-1329INTERCHANGEABLE
MODIFICATION KIT,ENGINE ACCESSOR
42979

Frequently Asked Questions

What is NSN 5950-01-233-9341?

NSN 5950-01-233-9341 is a Transformer,audio Frequency, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-233-9341?

NSN 5950-01-233-9341 has 5 cross-referenced part numbers: 677-0503-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 10132888 (Nimikkeistokeskus Ncb Finland), S-21085 (Pico Electronics Inc), 42979 (Coast/advanced Chip Magnetics, Inc.), S-21085 (Elcos).

What NSN replaces 5950-01-233-9341?

There are 5 known substitutes for 5950-01-233-9341: 3110-00-144-8789, 4820-00-399-2889, 5962-01-088-9859 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 677-0503-010?

Key specifications for 677-0503-010: Body Outside Diameter: 0.750 INCHES NOMINAL IN; Impedance Rating in Ohms: 12.5 NOMINAL SINGLE COMPONENT ALL SECONDARY; Impedance Rating in Ohms: 300.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Frequency Rating: 50.0 HERTZ MINIMUM AND 30.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. 14 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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