PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-411Coil,radio Frequency

Neurotech Corp Control Electronics Div · NSN 5950-00-581-2177 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-581-2177 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-581-2177. Primary manufacturer part number: 21-411.
Features
  • Coil,radio Frequency — FSC 5950
  • Body Outside Diameter: 0.200 INCHES NOMINAL IN
  • Body Length: 0.750 INCHES NOMINAL IN
  • Inductance Rating: 26.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Mounting Method: TERMINAL SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Terminal Type and Quantity: 2 WIRE LEAD
  • Coil Form Type: SOLID SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coil,radio Frequency, cataloged under National Stock Number 5950-00-581-2177, 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 Neurotech Corp Control Electronics Div. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5950-00-581-2177
Primary Part Number21-411
Item NameCoil,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNeurotech Corp Control Electronics Div
StatusCANCELLED
Body Outside Diameter0.200 INCHES NOMINAL IN
Body Length0.750 INCHES NOMINAL IN
Inductance Rating26.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Mounting MethodTERMINAL SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity2 WIRE LEAD
Coil Form TypeSOLID SINGLE COMPONENT
Winding Operating Current1.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Winding Conductor Size0.01003 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
Inclosure TypeOPEN
DC Resistance Rating in Ohms0.200 SINGLE COMPONENT SINGLE WINDING
Turn Quantity13 SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1040-00-300-423821411 INTERCHANGEABLE
Bus,bar
L3harris Technologies, Inc. Div Space and Airborne Systems
4820-00-342-558521411 INTERCHANGEABLE
Seat,valve
Barksdale, Inc
5330-00-346-4610145196D INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
5999-00-364-013121-411 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
3820-00-402-82252-1411 INTERCHANGEABLE
Roller,cable
Terex Usa, Llc Dba Terex Equipment Services
5970-00-616-6337 INTERCHANGEABLE
Insulator,plate
5950-00-794-3971214-11 INTERCHANGEABLE
Coil,radio Frequency
Wilco Corp
5940-00-836-060210-321-1 INTERCHANGEABLE
Terminal,feedthru
Concord Electronics, Inc.
6685-00-902-6404T001 INTERCHANGEABLE
Thermometer,self-Indicating
Sigma Products & Mfg
5915-01-046-6531905482-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
21-411 PRIMARY Neurotech Corp Control Electronics Div (USA)
Related Parts
1040-00-300-4238INTERCHANGEABLE
BUS,BAR
21411
4820-00-342-5585INTERCHANGEABLE
SEAT,VALVE
21411
5330-00-346-4610INTERCHANGEABLE
GASKET
145196D
5999-00-364-0131INTERCHANGEABLE
CONTACT,ELECTRICAL
21-411
3820-00-402-8225INTERCHANGEABLE
ROLLER,CABLE
2-1411
5970-00-616-6337INTERCHANGEABLE
INSULATOR,PLATE
5950-00-794-3971INTERCHANGEABLE
COIL,RADIO FREQUENCY
214-11
5940-00-836-0602INTERCHANGEABLE
TERMINAL,FEEDTHRU
10-321-1
6685-00-902-6404INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
T001
5915-01-046-6531INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
905482-1
5998-01-072-2465INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5210-01-094-6911INTERCHANGEABLE
GAGE,ANGLE
214-1-1

Frequently Asked Questions

What is NSN 5950-00-581-2177?

NSN 5950-00-581-2177 is a Coil,radio Frequency, manufactured by Neurotech Corp Control Electronics Div, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-581-2177?

NSN 5950-00-581-2177 has 1 cross-referenced part number: 21-411 (Neurotech Corp Control Electronics Div).

What NSN replaces 5950-00-581-2177?

There are 12 known substitutes for 5950-00-581-2177: 1040-00-300-4238, 4820-00-342-5585, 5330-00-346-4610 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-411?

Key specifications for 21-411: Body Outside Diameter: 0.200 INCHES NOMINAL IN; Body Length: 0.750 INCHES NOMINAL IN; Inductance Rating: 26.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING; Mounting Method: TERMINAL SINGLE GROUP. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-581-2177 still in active supply?

NSN 5950-00-581-2177 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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