PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42798Transformer,radio Frequency

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5950-00-951-9172 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-951-9172 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-951-9172. Primary manufacturer part number: 42798.
Features
  • Transformer,radio Frequency — FSC 5950
  • Terminal Type and Quantity: 4 TAB, SOLDER LUG
  • Inclosure Type: HERMETICALLY SEALED
  • Distance Between Mounting Facility Centers: 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Shielding Method: EXTERNAL INCLOSURE SINGLE COMPONENT
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-951-9172, 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 L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 11 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
NSN5950-00-951-9172
Primary Part Number42798
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Terminal Type and Quantity4 TAB, SOLDER LUG
Inclosure TypeHERMETICALLY SEALED
Distance Between Mounting Facility Centers1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Winding Shielding MethodEXTERNAL INCLOSURE SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Frequency Rating7.0 KILOHERTZ MINIMUM AND 15.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6520-01-057-654242-798 INTERCHANGEABLE
Forceps,tooth Extracting
Sklar Corporation Dba Sklar Instruments
3455-01-065-052551-10777 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5962-01-178-245442798 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5995-01-244-2956 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5998-01-326-924342798 INTERCHANGEABLE
Printed Circuit Board
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
8030-01-546-4953 INTERCHANGEABLE
Sealant,urethane
Cross-Reference Index
Part NumberManufacturer
39916 Freed Transformer Co (USA)
42798 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
6520-01-057-6542INTERCHANGEABLE
FORCEPS,TOOTH EXTRACTING
42-798
3455-01-065-0525INTERCHANGEABLE
CUTTER,MILLING,END
51-10777
5962-01-178-2454INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42798
5995-01-244-2956INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5998-01-326-9243INTERCHANGEABLE
PRINTED CIRCUIT BOARD
42798
8030-01-546-4953INTERCHANGEABLE
SEALANT,URETHANE

Frequently Asked Questions

What is NSN 5950-00-951-9172?

NSN 5950-00-951-9172 is a Transformer,radio Frequency, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-951-9172?

NSN 5950-00-951-9172 has 2 cross-referenced part numbers: 39916 (Freed Transformer Co), 42798 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5950-00-951-9172?

There are 6 known substitutes for 5950-00-951-9172: 6520-01-057-6542, 3455-01-065-0525, 5962-01-178-2454 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42798?

Key specifications for 42798: Overall Height: 1.303 INCHES MINIMUM AND 1.323 INCHES MAXIMUM IN; Terminal Type and Quantity: 4 TAB, SOLDER LUG; Overall Length: 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN; Inclosure Type: HERMETICALLY SEALED. 14 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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