PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

778Coil,radio Frequency

National Coil Co · NSN 5950-00-226-4637 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-226-4637 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-226-4637. Primary manufacturer part number: 778.
Features
  • Coil,radio Frequency — FSC 5950
  • Overall Diameter: 0.215 INCHES NOMINAL IN
  • Coil Form Type: HOLLOW SINGLE COMPONENT
  • Winding Conductor Size: 0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
  • Quality Factor: 80 MINIMUM SINGLE COMPONENT SINGLE WINDING
  • Adjustment Method and Quantity: 1 ADJUSTABLE CORE SINGLE COMPONENT
  • Terminal Type and Quantity: 2 SOLDER STUD
  • Rating Method: WINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE WINDING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coil,radio Frequency, cataloged under National Stock Number 5950-00-226-4637, 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 National Coil Co. Government technical data includes 19 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-226-4637
Primary Part Number778
Item NameCoil,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNational Coil Co
StatusACTIVE
Overall Diameter0.215 INCHES NOMINAL IN
Coil Form TypeHOLLOW SINGLE COMPONENT
Winding Conductor Size0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
Quality Factor80 MINIMUM SINGLE COMPONENT SINGLE WINDING
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Terminal Type and Quantity2 SOLDER STUD
Rating MethodWINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE WINDING
Core ConstructionPOWDERED SINGLE COMPONENT
Maximum Operating Temp85.0 CELSIUS DEGC
Mounting Facility Quantity1 SINGLE GROUP
Mounting MethodCORE AND THREADED HOLE(S) SINGLE GROUP
Thread Quantity Per Inch40 SINGLE GROUP
Inclosure TypeOPEN
Body Length0.625 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Turn Quantity10-1/2 SINGLE COMPONENT SINGLE WINDING
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5975-00-188-1158404 INTERCHANGEABLE
Cover,junction Box
Ni Industries Inc Bowers Mfg Co Div
6760-00-411-1435 INTERCHANGEABLE
Filter,light,photographic Lens
5330-00-564-0229778 INTERCHANGEABLE
Felt,mechanical,preformed
Aerospace Lighting Corporation
6150-00-834-6804778 INTERCHANGEABLE
Cable Assembly,power,electrical
Belden, Inc.
4730-00-894-25514627K192 INTERCHANGEABLE
Reducer,pipe
Mcmaster-Carr Supply Co
5340-00-952-9854778 INTERCHANGEABLE
Clamp,loop
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
4730-00-961-7361 INTERCHANGEABLE
Coupling Half,quick Disconnect
5310-01-053-08707-78 INTERCHANGEABLE
Nut,special
Seats Inc Div Seats Incorporated
3110-01-291-5157778 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
6695-01-328-659077-8 INTERCHANGEABLE
Transducer,motional Pickup
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
Cross-Reference Index
Part NumberManufacturer
778 National Coil Co (USA)
242-0373-00 Albert Frei & Sons, Inc. Dba Afs (USA)
242-0373-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5975-00-188-1158INTERCHANGEABLE
COVER,JUNCTION BOX
404
6760-00-411-1435INTERCHANGEABLE
FILTER,LIGHT,PHOTOGRAPHIC LENS
5330-00-564-0229INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
778
6150-00-834-6804INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
778
4730-00-894-2551INTERCHANGEABLE
REDUCER,PIPE
4627K192
5340-00-952-9854INTERCHANGEABLE
CLAMP,LOOP
778
4730-00-961-7361INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5310-01-053-0870INTERCHANGEABLE
NUT,SPECIAL
7-78
3110-01-291-5157INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
778
6695-01-328-6590INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
77-8
7530-01-711-7721INTERCHANGEABLE
PAD,ALL WEATHER NOTEBOOK
778

Frequently Asked Questions

What is NSN 5950-00-226-4637?

NSN 5950-00-226-4637 is a Coil,radio Frequency, manufactured by National Coil Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-226-4637?

NSN 5950-00-226-4637 has 3 cross-referenced part numbers: 778 (National Coil Co), 242-0373-00 (Albert Frei & Sons, Inc. Dba Afs), 242-0373-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5950-00-226-4637?

There are 11 known substitutes for 5950-00-226-4637: 5975-00-188-1158, 6760-00-411-1435, 5330-00-564-0229 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 778?

Key specifications for 778: Overall Diameter: 0.215 INCHES NOMINAL IN; Coil Form Type: HOLLOW SINGLE COMPONENT; Winding Conductor Size: 0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN; Quality Factor: 80 MINIMUM SINGLE COMPONENT SINGLE WINDING. 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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