PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

677-0452-000Transformer,audio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-647-6998 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-6998 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-6998. Primary manufacturer part number: 677-0452-000.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Impedance Rating in Ohms: 8000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Winding Operating Current: 80.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Primary to Secondary Turn Ratio: 1 TO 3-1/4 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 5950-00-647-6998, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5950-00-647-6998
Primary Part Number677-0452-000
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
Impedance Rating in Ohms8000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Current80.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Primary to Secondary Turn Ratio1 TO 3-1/4 SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Body Height3.125 INCHES MAXIMUM IN
Impedance Rating in Ohms680.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Body Width2.062 INCHES MAXIMUM IN
Terminal Type and Quantity5 SOLDER STUD
Body Length2.312 INCHES MAXIMUM IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Frequency Rating57.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Maximum Transformer Power Rating10.0 WATTS SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5342-00-200-7564 INTERCHANGEABLE
Mount,resilient,weapon System
5950-00-426-610017268 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
5935-00-486-6806GC810CB4 INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation
1650-01-011-616617268 INTERCHANGEABLE
Filter Element,fluid
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5315-01-399-733817268 INTERCHANGEABLE
Key,machine
Coffin Turbo Pump Inc
Cross-Reference Index
Part NumberManufacturer
677-0452-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
497A34 Emerson Electric Co White-Rodgers Div (USA)
677-0452-00 Bourns Instruments Inc (USA)
17268 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
5342-00-200-7564INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
5950-00-426-6100INTERCHANGEABLE
TRANSFORMER,POWER
17268
5935-00-486-6806INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
GC810CB4
1650-01-011-6166INTERCHANGEABLE
FILTER ELEMENT,FLUID
17268
5315-01-399-7338INTERCHANGEABLE
KEY,MACHINE
17268

Frequently Asked Questions

What is NSN 5950-00-647-6998?

NSN 5950-00-647-6998 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 5950-00-647-6998?

NSN 5950-00-647-6998 has 4 cross-referenced part numbers: 677-0452-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 497A34 (Emerson Electric Co White-Rodgers Div), 677-0452-00 (Bourns Instruments Inc), 17268 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5950-00-647-6998?

There are 5 known substitutes for 5950-00-647-6998: 5342-00-200-7564, 5950-00-426-6100, 5935-00-486-6806 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 677-0452-000?

Key specifications for 677-0452-000: Reliability Indicator: NOT ESTABLISHED; Impedance Rating in Ohms: 8000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Mounting Method: THREADED STUD(S) SINGLE GROUP. 20 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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