PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11981ITEM2Coil,radio Frequency

Microwave Engineering Corporation · NSN 5950-00-648-0113 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-648-0113 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-0113. Primary manufacturer part number: 11981ITEM2.
Features
  • Coil,radio Frequency — FSC 5950
  • Rating Method: WINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Precious Material: SILVER
  • Mounting Method: CORE AND THREADED HOLE(S) SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Current: 300.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Precious Material and Location: TERMINAL SURFACES SILVER
  • Inclosure Type: OPEN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coil,radio Frequency, cataloged under National Stock Number 5950-00-648-0113, 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 Microwave Engineering Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-648-0113
Primary Part Number11981ITEM2
Item NameCoil,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMicrowave Engineering Corporation
StatusACTIVE
Rating MethodWINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE WINDING
Precious MaterialSILVER
Mounting MethodCORE AND THREADED HOLE(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current300.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Precious Material and LocationTERMINAL SURFACES SILVER
Inclosure TypeOPEN
Turn Quantity1020 SINGLE COMPONENT SINGLE WINDING
Winding Conductor Size0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
Inductance Rating5.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
DC Resistance Rating in Ohms20.000 SINGLE COMPONENT SINGLE WINDING
Overall Diameter0.781 INCHES NOMINAL IN
Mounting Facility Quantity1 SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Coil Form TypeSOLID SINGLE COMPONENT
Terminal Type and Quantity2 TAB, SOLDER LUG
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-228-8679R300S INTERCHANGEABLE
Coil,radio Frequency
Viking Technologies, Ltd.
5950-00-648-27353300-30767 INTERCHANGEABLE
Coil,radio Frequency
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
5935-00-681-5616031-0052-0001 INTERCHANGEABLE
Connector,receptacle,electrical
Te Connectivity Corporation Dba Microdot Products
5950-01-062-87142515453-1 INTERCHANGEABLE
Coil,radio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3431-01-168-8466 INTERCHANGEABLE
Welding Machine,arc
Cross-Reference Index
Part NumberManufacturer
R300S Viking Technologies, Ltd. (USA)
R300S Dar Electronics Inc Commercial Products Div Dba National Radio Co (USA)
R300S Strux Corp (USA)
11981ITEM2 PRIMARY Microwave Engineering Corporation (USA)
11981ITEM2 Sierra Networks Inc Sierracom Div (USA)
Related Parts
5950-00-228-8679INTERCHANGEABLE
COIL,RADIO FREQUENCY
R300S
5950-00-648-2735INTERCHANGEABLE
COIL,RADIO FREQUENCY
3300-30767
5935-00-681-5616INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
031-0052-0001
5950-01-062-8714INTERCHANGEABLE
COIL,RADIO FREQUENCY
2515453-1
3431-01-168-8466INTERCHANGEABLE
WELDING MACHINE,ARC

Frequently Asked Questions

What is NSN 5950-00-648-0113?

NSN 5950-00-648-0113 is a Coil,radio Frequency, manufactured by Microwave Engineering Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-648-0113?

NSN 5950-00-648-0113 has 5 cross-referenced part numbers: R300S (Viking Technologies, Ltd.), R300S (Dar Electronics Inc Commercial Products Div Dba National Radio Co), R300S (Strux Corp), 11981ITEM2 (Microwave Engineering Corporation), 11981ITEM2 (Sierra Networks Inc Sierracom Div).

What NSN replaces 5950-00-648-0113?

There are 5 known substitutes for 5950-00-648-0113: 5950-00-228-8679, 5950-00-648-2735, 5935-00-681-5616 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11981ITEM2?

Key specifications for 11981ITEM2: Rating Method: WINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE WINDING; Precious Material: SILVER; Mounting Method: CORE AND THREADED HOLE(S) SINGLE GROUP; Overall Length: 1.938 INCHES NOMINAL IN. 19 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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