PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61A19B796Transformer,radio Frequency

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-978-9820 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-978-9820 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-978-9820. Primary manufacturer part number: 61A19B796.
Features
  • Transformer,radio Frequency — FSC 5950
  • Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT
  • Rating Method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Adjustment Method and Quantity: 1 ADJUSTABLE CORE SINGLE COMPONENT
  • Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: THREADED BUSHING SINGLE GROUP
  • Rating Method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-978-9820, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-978-9820
Primary Part Number61A19B796
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Rating MethodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY INPUT
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED BUSHING SINGLE GROUP
Rating MethodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Coil Form TypeHOLLOW SINGLE COMPONENT
Turn Quantity12 SINGLE COMPONENT SINGLE PRIMARY INPUT
Inductance Rating0.65 MICROHENRIES MINIMUM AND 0.94 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Winding Conductor Size0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY OUTPUT IN
Turn Quantity2 SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Body Length1.875 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Conductor Size0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY INPUT IN
Inductance Rating0.65 MICROHENRIES MINIMUM AND 0.94 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT
Terminal Type and Quantity3 TAB, SOLDER LUG
Body Outside Diameter0.344 INCHES NOMINAL IN
Frequency Rating27.0 MEGAHERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeOPEN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3040-00-832-5415 INTERCHANGEABLE
Gearshaft,spur
8145-01-018-9562301030 INTERCHANGEABLE
Shipping and Storage Container,e
Northrop Grumman Corp Electronic Systems Defensive System Div
5920-01-049-8949AGA30 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5962-01-390-7177301030 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation
6220-01-408-084530103 INTERCHANGEABLE
Lens,light
Gte Products Corp Sylvania Miniature Lighting Div
5985-01-500-3176313A0001-01 INTERCHANGEABLE
Mast
Nice Systems Inc.
6625-01-585-9259700 INTERCHANGEABLE
Test Set,data Transmission Line
Electro Standards Laboratory, Inc.
5930-01-706-7631301030 INTERCHANGEABLE
Switch,thermostatic
Seifert Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
61A19B796 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
PEI 9219 Precision Electronics, Inc (USA)
301-030 Relm Communications Inc (USA)
Related Parts
3040-00-832-5415INTERCHANGEABLE
GEARSHAFT,SPUR
8145-01-018-9562INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
301030
5920-01-049-8949INTERCHANGEABLE
FUSE,CARTRIDGE
AGA30
5962-01-390-7177INTERCHANGEABLE
MICROCIRCUIT,MEMORY
301030
6220-01-408-0845INTERCHANGEABLE
LENS,LIGHT
30103
5985-01-500-3176INTERCHANGEABLE
MAST
313A0001-01
6625-01-585-9259INTERCHANGEABLE
TEST SET,DATA TRANSMISSION LINE
700
5930-01-706-7631INTERCHANGEABLE
SWITCH,THERMOSTATIC
301030

Frequently Asked Questions

What is NSN 5950-00-978-9820?

NSN 5950-00-978-9820 is a Transformer,radio Frequency, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-978-9820?

NSN 5950-00-978-9820 has 3 cross-referenced part numbers: 61A19B796 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), PEI 9219 (Precision Electronics, Inc), 301-030 (Relm Communications Inc).

What NSN replaces 5950-00-978-9820?

There are 8 known substitutes for 5950-00-978-9820: 3040-00-832-5415, 8145-01-018-9562, 5920-01-049-8949 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 61A19B796?

Key specifications for 61A19B796: Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT; Rating Method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY INPUT; Adjustment Method and Quantity: 1 ADJUSTABLE CORE SINGLE COMPONENT; Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-978-9820 still in active supply?

NSN 5950-00-978-9820 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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