PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40898Transformer,audio Frequency

Coast/advanced Chip Magnetics, Inc. · NSN 5950-00-891-7166 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-891-7166 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-891-7166. Primary manufacturer part number: 40898.
Features
  • Transformer,audio Frequency — FSC 5950
  • Winding Operating Current: 10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Maximum Transformer Power Rating: 10.0 WATTS SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Impedance Rating in Ohms: 60.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Inclosure Type: HERMETICALLY SEALED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY 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 5950-00-891-7166, 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 Coast/advanced Chip Magnetics, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 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
NSN5950-00-891-7166
Primary Part Number40898
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerCoast/advanced Chip Magnetics, Inc.
StatusACTIVE
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Maximum Transformer Power Rating10.0 WATTS SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Impedance Rating in Ohms60.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Frequency Rating60.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Body Length2.312 INCHES NOMINAL IN
Body Width2.062 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height3.125 INCHES NOMINAL IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2990-01-329-5074Q24970 INTERCHANGEABLE
Pipe,exhaust
Cummins Filtration Inc.
Cross-Reference Index
Part NumberManufacturer
40898 Coast/advanced Chip Magnetics, Inc. (USA)
2557948 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
TT6148 Magnetika/east Ltd Titan Transformer Div (USA)
2557948 Berkshire Transformer (USA)
HY2916 Hytronics Corp. (USA)
AU-3060 Mte Corp Milwaukee Transformer Co (USA)
AU-3060 Magnespec Inc (USA)
PEI 6779 Precision Electronics, Inc (USA)
Related Parts
2990-01-329-5074INTERCHANGEABLE
PIPE,EXHAUST
Q24970

Frequently Asked Questions

What is NSN 5950-00-891-7166?

NSN 5950-00-891-7166 is a Transformer,audio Frequency, manufactured by Coast/advanced Chip Magnetics, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-891-7166?

NSN 5950-00-891-7166 has 8 cross-referenced part numbers: 40898 (Coast/advanced Chip Magnetics, Inc.), 2557948 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), TT6148 (Magnetika/east Ltd Titan Transformer Div), 2557948 (Berkshire Transformer), HY2916 (Hytronics Corp.) and 3 more.

What NSN replaces 5950-00-891-7166?

There is 1 known substitute for 5950-00-891-7166: 2990-01-329-5074. Verify interchangeability with system specifications before substitution.

What are the specifications of 40898?

Key specifications for 40898: Winding Operating Current: 10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Maximum Transformer Power Rating: 10.0 WATTS SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Mounting Method: THREADED STUD(S) SINGLE GROUP. 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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