PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

677-2770-00Transformer,audio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-238-0189 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-238-0189 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-238-0189. Primary manufacturer part number: 677-2770-00.
Features
  • Transformer,audio Frequency — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 4.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Impedance Rating in Ohms: 15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Current: 40.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Frequency Rating: 100.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 70.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Body Width: 4.110 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-238-0189, 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 19 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-238-0189
Primary Part Number677-2770-00
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
Center to Center Distance Between Mounting Facilities Parallel to Length4.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Impedance Rating in Ohms15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current40.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating100.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current70.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Width4.110 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Height5.312 INCHES NOMINAL IN
Terminal Type and Quantity6 STANDOFF, THREADED STUD
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Maximum Transformer Power Rating70.0 WATTS SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Impedance Rating in Ohms15000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Body Length4.562 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-075-2345B001-TP19-N4115A70 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)
5998-00-105-0878 INTERCHANGEABLE
Circuit Card Assembly
6625-00-490-1720 INTERCHANGEABLE
Bridge,resistance
3030-00-529-0484 INTERCHANGEABLE
Belt,v
5330-00-857-98088069 INTERCHANGEABLE
Packing Assembly
Greene Tweed & Co Inc
5960-00-866-5265 INTERCHANGEABLE
Electron Tube
5998-01-230-5062920016 INTERCHANGEABLE
Circuit Card Assembly
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
8415-01-521-93558069 INTERCHANGEABLE
Gloves,flyers'
Eagle Industries Unlimited, Llc
Cross-Reference Index
Part NumberManufacturer
677-2770-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
8069 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
5330-00-075-2345INTERCHANGEABLE
PACKING,PREFORMED
B001-TP19-N4115A70
5998-00-105-0878INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6625-00-490-1720INTERCHANGEABLE
BRIDGE,RESISTANCE
3030-00-529-0484INTERCHANGEABLE
BELT,V
5330-00-857-9808INTERCHANGEABLE
PACKING ASSEMBLY
8069
5960-00-866-5265INTERCHANGEABLE
ELECTRON TUBE
5998-01-230-5062INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
920016
8415-01-521-9355INTERCHANGEABLE
GLOVES,FLYERS'
8069

Frequently Asked Questions

What is NSN 5950-00-238-0189?

NSN 5950-00-238-0189 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 5950-00-238-0189?

NSN 5950-00-238-0189 has 2 cross-referenced part numbers: 677-2770-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 8069 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5950-00-238-0189?

There are 8 known substitutes for 5950-00-238-0189: 5330-00-075-2345, 5998-00-105-0878, 6625-00-490-1720 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 677-2770-00?

Key specifications for 677-2770-00: Center to Center Distance Between Mounting Facilities Parallel to Length: 4.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Impedance Rating in Ohms: 15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Winding Operating Current: 40.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY; Frequency Rating: 100.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. 19 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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