PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

677-6003-000Transformer,audio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-676-0927 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-676-0927 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-676-0927. Primary manufacturer part number: 677-6003-000.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Terminal Type and Quantity: 5 PIN
  • Distance Between Mounting Facility Centers: 0.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Impedance Rating in Ohms: 225.0 NOMINAL AND 1000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Impedance Rating in Ohms: 30.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-676-0927, 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 17 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
NSN5950-00-676-0927
Primary Part Number677-6003-000
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
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity5 PIN
Distance Between Mounting Facility Centers0.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Impedance Rating in Ohms225.0 NOMINAL AND 1000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Impedance Rating in Ohms30.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length1.344 INCHES MAXIMUM IN
Body Width1.313 INCHES MAXIMUM IN
Body Height1.750 INCHES MAXIMUM IN
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Maximum Transformer Power Rating2.5 WATTS SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-064-5810827-867-021 INTERCHANGEABLE
Gear,spur
Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots
5905-00-734-453627867 INTERCHANGEABLE
Resistor Network,fixed,film
Emcore Corporation Div Concord Division
Cross-Reference Index
Part NumberManufacturer
27867 Freed Transformer Co (USA)
677-6003-000 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
3020-00-064-5810INTERCHANGEABLE
GEAR,SPUR
827-867-021
5905-00-734-4536INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
27867

Frequently Asked Questions

What is NSN 5950-00-676-0927?

NSN 5950-00-676-0927 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 5950-00-676-0927?

NSN 5950-00-676-0927 has 2 cross-referenced part numbers: 27867 (Freed Transformer Co), 677-6003-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5950-00-676-0927?

There are 2 known substitutes for 5950-00-676-0927: 3020-00-064-5810, 5905-00-734-4536. Verify interchangeability with system specifications before substitution.

What are the specifications of 677-6003-000?

Key specifications for 677-6003-000: Reliability Indicator: NOT ESTABLISHED; Terminal Type and Quantity: 5 PIN; Distance Between Mounting Facility Centers: 0.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Thread Quantity Per Inch: 32 SINGLE GROUP. 17 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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