PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28989Transformer,radio Frequency

Basler Electric Co · NSN 5950-00-777-6505 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-777-6505 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-777-6505. Primary manufacturer part number: 28989.
Features
  • Transformer,radio Frequency — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Hole Diameter: 0.109 INCHES NOMINAL SINGLE GROUP IN
  • Body Width: 0.938 INCHES NOMINAL IN
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Distance Between Mounting Facility Centers: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: FLANGE SINGLE GROUP
  • Terminal Type and Quantity: 5 SOLDER STUD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-777-6505, 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 Basler Electric Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-777-6505
Primary Part Number28989
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBasler Electric Co
StatusCANCELLED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Hole Diameter0.109 INCHES NOMINAL SINGLE GROUP IN
Body Width0.938 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Distance Between Mounting Facility Centers1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE SINGLE GROUP
Terminal Type and Quantity5 SOLDER STUD
Reliability IndicatorNOT ESTABLISHED
Body Height0.750 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Body Length1.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5330-00-302-167528989 INTERCHANGEABLE
Ring,wiper
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4330-00-429-85932992-02 INTERCHANGEABLE
Filter Element,fluid
Norgren C a Co
6105-00-635-554129920-1 INTERCHANGEABLE
Motor,direct Current
Honeywell International Inc. Div Aerospace - Torrance
5330-01-055-285929920 INTERCHANGEABLE
Packing,preformed
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5365-01-158-0058CB27554-001 INTERCHANGEABLE
Spacer
Moog Inc. Dba Ampac-Isp Corp
4140-01-459-1718 INTERCHANGEABLE
Fan,centrifugal
Cross-Reference Index
Part NumberManufacturer
28989 Basler Electric Co (USA)
TS-2435 Magnetic Components Inc (USA)
8050000606 Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co (USA)
HA7949 Veeco Instruments Inc Lambda Div (USA)
PEI 6973 Precision Electronics, Inc (USA)
8050000606 Navcom Defense Electronics, Inc. (USA)
299201 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
Related Parts
5330-00-302-1675INTERCHANGEABLE
RING,WIPER
28989
4330-00-429-8593INTERCHANGEABLE
FILTER ELEMENT,FLUID
2992-02
6105-00-635-5541INTERCHANGEABLE
MOTOR,DIRECT CURRENT
29920-1
5330-01-055-2859INTERCHANGEABLE
PACKING,PREFORMED
29920
5365-01-158-0058INTERCHANGEABLE
SPACER
CB27554-001
4140-01-459-1718INTERCHANGEABLE
FAN,CENTRIFUGAL

Frequently Asked Questions

What is NSN 5950-00-777-6505?

NSN 5950-00-777-6505 is a Transformer,radio Frequency, manufactured by Basler Electric Co, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-777-6505?

NSN 5950-00-777-6505 has 7 cross-referenced part numbers: 28989 (Basler Electric Co), TS-2435 (Magnetic Components Inc), 8050000606 (Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co), HA7949 (Veeco Instruments Inc Lambda Div), PEI 6973 (Precision Electronics, Inc) and 2 more.

What NSN replaces 5950-00-777-6505?

There are 6 known substitutes for 5950-00-777-6505: 5330-00-302-1675, 4330-00-429-8593, 6105-00-635-5541 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28989?

Key specifications for 28989: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Mounting Hole Diameter: 0.109 INCHES NOMINAL SINGLE GROUP IN; Body Width: 0.938 INCHES NOMINAL IN; Mounting Facility Quantity: 2 SINGLE GROUP. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-777-6505 still in active supply?

NSN 5950-00-777-6505 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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