PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39728-12Transformer,radio Frequency

Dar Electronics Inc Dba National Radio Co · NSN 5950-00-947-6628 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-947-6628 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-947-6628. Primary manufacturer part number: 39728-12.
Features
  • Transformer,radio Frequency — FSC 5950
  • Thread Series Designator: UNF SINGLE GROUP
  • Mounting Method: THREADED BUSHING SINGLE GROUP
  • Body Outside Diameter: 0.620 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Quantity Per Inch: 28 SINGLE GROUP
  • Body Length: 0.750 INCHES NOMINAL IN
  • Nominal Thread Size: 0.250 INCHES SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-947-6628, 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 Dar Electronics Inc Dba National Radio Co. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-947-6628
Primary Part Number39728-12
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDar Electronics Inc Dba National Radio Co
StatusACTIVE
Thread Series DesignatorUNF SINGLE GROUP
Mounting MethodTHREADED BUSHING SINGLE GROUP
Body Outside Diameter0.620 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch28 SINGLE GROUP
Body Length0.750 INCHES NOMINAL IN
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity4 WIRE LEAD
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE SECONDARY
Inductance Rating29.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Coil Form TypeHOLLOW SINGLE COMPONENT
Frequency Rating55.0 KILOHERTZ MINIMUM AND 109.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Inductance Rating29.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5210-00-004-066352837 INTERCHANGEABLE
Blade,thickness Gage
L.s. Starrett Company (the) Div Tool Division
5940-00-842-0221977 INTERCHANGEABLE
Terminal,stud
Lta/d-Cemco Inc Dba D-Cemco
4310-01-098-12456671 INTERCHANGEABLE
Bumper,valve Intake
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5355-01-230-08396671 INTERCHANGEABLE
Knob
Belfort Instrument Company
4820-01-274-67356671 INTERCHANGEABLE
Body Assembly Valve
Greno Industries, Inc. Dba Greno Industries Inc
5331-01-376-66546671 INTERCHANGEABLE
O-Ring
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque
Cross-Reference Index
Part NumberManufacturer
39728-12 Dar Electronics Inc Dba National Radio Co (USA)
6671 Artted Co Inc (USA)
Related Parts
5210-00-004-0663INTERCHANGEABLE
BLADE,THICKNESS GAGE
52837
5940-00-842-0221INTERCHANGEABLE
TERMINAL,STUD
977
4310-01-098-1245INTERCHANGEABLE
BUMPER,VALVE INTAKE
6671
5355-01-230-0839INTERCHANGEABLE
KNOB
6671
4820-01-274-6735INTERCHANGEABLE
BODY ASSEMBLY VALVE
6671
5331-01-376-6654INTERCHANGEABLE
O-RING
6671

Frequently Asked Questions

What is NSN 5950-00-947-6628?

NSN 5950-00-947-6628 is a Transformer,radio Frequency, manufactured by Dar Electronics Inc Dba National Radio Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-947-6628?

NSN 5950-00-947-6628 has 2 cross-referenced part numbers: 39728-12 (Dar Electronics Inc Dba National Radio Co), 6671 (Artted Co Inc).

What NSN replaces 5950-00-947-6628?

There are 6 known substitutes for 5950-00-947-6628: 5210-00-004-0663, 5940-00-842-0221, 4310-01-098-1245 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39728-12?

Key specifications for 39728-12: Thread Series Designator: UNF SINGLE GROUP; Mounting Method: THREADED BUSHING SINGLE GROUP; Body Outside Diameter: 0.620 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED. 18 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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