PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2889406-1Transformer,audio Frequency

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-01-028-6689 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-028-6689 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-028-6689. Primary manufacturer part number: 2889406-1.
Features
  • Transformer,audio Frequency — FSC 5950
  • Maximum Operating Temp: 85.0 CELSIUS DEGC
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Body Length: 3.800 INCHES NOMINAL IN
  • Inclosure Type: FULLY INCLOSED
  • Mounting Hole Diameter: 0.209 INCHES NOMINAL SINGLE GROUP 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 5950-01-028-6689, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-028-6689
Primary Part Number2889406-1
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Maximum Operating Temp85.0 CELSIUS DEGC
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length3.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Body Length3.800 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Mounting Hole Diameter0.209 INCHES NOMINAL SINGLE GROUP IN
Winding Shielding MethodINTERNALLY SHIELDED SINGLE COMPONENT
Body Width2.400 INCHES MAXIMUM IN
Frequency Rating40.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type and Quantity4 TURRET
Body Height1.900 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.200 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3020-00-050-68441770740 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-222-77494-1681 INTERCHANGEABLE
Transformer,power
Tranex, Inc.
5310-00-238-7940BD87 INTERCHANGEABLE
Washer,flat
Dresser, Llc
5365-00-790-369041681 INTERCHANGEABLE
Ring,light
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5995-01-063-2242 INTERCHANGEABLE
Wiring Harness,branched
6105-01-167-7943 INTERCHANGEABLE
Motor,alternating Current
4920-01-237-7723163133 INTERCHANGEABLE
Contour Master,rotor Assembly
Rtx Corporation Div Pratt & Whitney
3040-01-437-144941681 INTERCHANGEABLE
Ear,cylinder Pipe
Kongsberg Maritime Sweden Ab
5930-01-508-758341-681 INTERCHANGEABLE
Switch,push-Pull
Thermo King Corporation Dba Phoenix Global Distirbution.
5930-01-701-6994163133-1 INTERCHANGEABLE
Guard,switch
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
163133 Raytheon Company Dba Raytheon Co (USA)
163133 Raytheon Company (USA)
2889406-1 Raytheon Company Div Corp (USA)
2889406-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
41681 Coast/advanced Chip Magnetics, Inc. (USA)
163133 Raytheon Company Div Corp (USA)
Related Parts
3020-00-050-6844INTERCHANGEABLE
GEAR,SPUR
1770740
5950-00-222-7749INTERCHANGEABLE
TRANSFORMER,POWER
4-1681
5310-00-238-7940INTERCHANGEABLE
WASHER,FLAT
BD87
5365-00-790-3690INTERCHANGEABLE
RING,LIGHT
41681
5995-01-063-2242INTERCHANGEABLE
WIRING HARNESS,BRANCHED
6105-01-167-7943INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
4920-01-237-7723INTERCHANGEABLE
CONTOUR MASTER,ROTOR ASSEMBLY
163133
3040-01-437-1449INTERCHANGEABLE
EAR,CYLINDER PIPE
41681
5930-01-508-7583INTERCHANGEABLE
SWITCH,PUSH-PULL
41-681
5930-01-701-6994INTERCHANGEABLE
GUARD,SWITCH
163133-1

Frequently Asked Questions

What is NSN 5950-01-028-6689?

NSN 5950-01-028-6689 is a Transformer,audio Frequency, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-028-6689?

NSN 5950-01-028-6689 has 6 cross-referenced part numbers: 163133 (Raytheon Company Dba Raytheon Co), 163133 (Raytheon Company), 2889406-1 (Raytheon Company Div Corp), 2889406-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 41681 (Coast/advanced Chip Magnetics, Inc.) and 1 more.

What NSN replaces 5950-01-028-6689?

There are 10 known substitutes for 5950-01-028-6689: 3020-00-050-6844, 5950-00-222-7749, 5310-00-238-7940 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2889406-1?

Key specifications for 2889406-1: Maximum Operating Temp: 85.0 CELSIUS DEGC; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Facility Quantity: 4 SINGLE GROUP. 15 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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