PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

677-1325-000Transformer,audio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-043-2576 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-043-2576 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-043-2576. Primary manufacturer part number: 677-1325-000.
Features
  • Transformer,audio Frequency — FSC 5950
  • Body Length: 1.750 INCHES MAXIMUM IN
  • Maximum Transformer Power Rating: 30.0 WATTS SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: HERMETICALLY SEALED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Winding Operating Current: 2.0 AMPERES DC MAXIMUM 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 5950-00-043-2576, 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 22 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-043-2576
Primary Part Number677-1325-000
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
Body Length1.750 INCHES MAXIMUM IN
Maximum Transformer Power Rating30.0 WATTS SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Length1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Current2.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Transformer FunctionMODULATION
Body Width1.750 INCHES MAXIMUM IN
Impedance Rating in Ohms3000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating300.0 HERTZ MINIMUM AND 6.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Impedance Rating in Ohms30.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current160.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Terminal Type and Quantity5 TAB, SOLDER LUG
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Maximum Operating Temp170.0 CELSIUS DEGC
Body Height2.500 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-043-2575677-1323-000 INTERCHANGEABLE
Transformer,audio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
JR048 Magnetika Inc Div Magnetika/phillipsburg Location (USA)
JR048 Opt Industries Inc Div of Electronika Inc (USA)
677-1325-000 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
JR048 United Transformer Corp Sub of Opt Industries Inc (USA)
BC1532A Ballastran Corp (USA)
Related Parts
5950-00-043-2575INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
677-1323-000

Frequently Asked Questions

What is NSN 5950-00-043-2576?

NSN 5950-00-043-2576 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 5950-00-043-2576?

NSN 5950-00-043-2576 has 5 cross-referenced part numbers: JR048 (Magnetika Inc Div Magnetika/phillipsburg Location), JR048 (Opt Industries Inc Div of Electronika Inc), 677-1325-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), JR048 (United Transformer Corp Sub of Opt Industries Inc), BC1532A (Ballastran Corp).

What NSN replaces 5950-00-043-2576?

There is 1 known substitute for 5950-00-043-2576: 5950-00-043-2575. Verify interchangeability with system specifications before substitution.

What are the specifications of 677-1325-000?

Key specifications for 677-1325-000: Body Length: 1.750 INCHES MAXIMUM IN; Maximum Transformer Power Rating: 30.0 WATTS SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Overall Height: 2.938 INCHES MAXIMUM IN. 23 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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