PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

48-59Transformer,radio Frequency

Keysight Technologies Inc · NSN 5950-00-578-1933 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-578-1933 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-578-1933. Primary manufacturer part number: 48-59.
Features
  • Transformer,radio Frequency — FSC 5950
  • Thread Series Designator: UNF SINGLE GROUP
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Body Length: 0.875 INCHES NOMINAL IN
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Inclosure Type: OPEN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-578-1933, 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 Keysight Technologies Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-578-1933
Primary Part Number48-59
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Thread Series DesignatorUNF SINGLE GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Body Length0.875 INCHES NOMINAL IN
Mounting Facility Quantity1 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Inclosure TypeOPEN
Inductance Rating500.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Inductance Rating450.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Outside Diameter0.375 INCHES NOMINAL IN
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Frequency Rating1.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE SECONDARY
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Terminal Type and Quantity4 TAB, SOLDER LUG
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE PRIMARY
Coil Form TypeHOLLOW SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3020-00-186-60812253 INTERCHANGEABLE
Gear,spur
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5935-00-283-37608175016 INTERCHANGEABLE
Jack,tip
Us Army Aviation and Missile Command
3110-00-293-93020042980-3 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5905-00-559-5614 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5340-00-721-73014859 INTERCHANGEABLE
Latch,rim
Eastern Co Div Eberhard Manufacturing
5935-00-880-50222253 INTERCHANGEABLE
Connector,receptacle,electrical
Sv Microwave, Inc. Div Sv Microwave
5950-00-896-96372115696 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1650-00-970-4642 INTERCHANGEABLE
Fitting,discharge
5905-00-993-67532503233-1 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Honeywell International Inc. Dba Honeywell International
3020-01-054-15852253-10 INTERCHANGEABLE
Gear,internal
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Cross-Reference Index
Part NumberManufacturer
48-59 PRIMARY Keysight Technologies Inc (USA)
9140-0036 Hewlett-Packard Company Dba HP (USA)
32-500UHCT Power Designs Inc (USA)
9140-0036 Keysight Technologies Inc (USA)
48-59 Hewlett-Packard Company Dba HP (USA)
2253 Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
48-59 Keysight Technologies, Inc. (USA)
9140-0036 Keysight Technologies, Inc. (USA)
Related Parts
3020-00-186-6081INTERCHANGEABLE
GEAR,SPUR
2253
5935-00-283-3760INTERCHANGEABLE
JACK,TIP
8175016
3110-00-293-9302INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042980-3
5905-00-559-5614INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5340-00-721-7301INTERCHANGEABLE
LATCH,RIM
4859
5935-00-880-5022INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2253
5950-00-896-9637INTERCHANGEABLE
TRANSFORMER,POWER
2115696
1650-00-970-4642INTERCHANGEABLE
FITTING,DISCHARGE
5905-00-993-6753INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2503233-1
3020-01-054-1585INTERCHANGEABLE
GEAR,INTERNAL
2253-10
5120-01-073-0385INTERCHANGEABLE
TOOL,EXTRACTOR,PISTON
GS15973-1
4935-01-098-7015INTERCHANGEABLE
RECORDER-REPRODUCER,GUIDED MISSI
2253

Frequently Asked Questions

What is NSN 5950-00-578-1933?

NSN 5950-00-578-1933 is a Transformer,radio Frequency, manufactured by Keysight Technologies Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-578-1933?

NSN 5950-00-578-1933 has 8 cross-referenced part numbers: 48-59 (Keysight Technologies Inc), 9140-0036 (Hewlett-Packard Company Dba HP), 32-500UHCT (Power Designs Inc), 9140-0036 (Keysight Technologies Inc), 48-59 (Hewlett-Packard Company Dba HP) and 3 more.

What NSN replaces 5950-00-578-1933?

There are 12 known substitutes for 5950-00-578-1933: 3020-00-186-6081, 5935-00-283-3760, 3110-00-293-9302 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 48-59?

Key specifications for 48-59: Thread Series Designator: UNF SINGLE GROUP; Mounting Method: THREADED HOLE(S) SINGLE GROUP; Body Length: 0.875 INCHES NOMINAL IN; Mounting Facility Quantity: 1 SINGLE GROUP. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-578-1933 still in active supply?

NSN 5950-00-578-1933 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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