PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ER1641-561KRCoil,radio Frequency

American Precision Industries Inc. · NSN 5950-01-097-1852 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-097-1852 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-097-1852. Primary manufacturer part number: ER1641-561KR.
Features
  • Coil,radio Frequency — FSC 5950
  • Reliability Indicator: ESTABLISHEDESTABLISHED
  • Reliability Failure Rate Level in Percent: 0.0100.010
  • Body Length: 0.390 INCHES MINIMUM AND 0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM0.430 INCHES MAXIMUM IN
  • DC Resistance Rating in Ohms: 0.330 SINGLE COMPONENT SINGLE WINDING0.330 SINGLE COMPONENT SINGLE WINDING
  • Test Data Document: 81349-MIL-C-39010 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).81349-MIL-C-39010 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Core Construction: S0LID SINGLE COMPONENTS0LID SINGLE COMPONENT
  • Maximum Operating Temp: 105.0 CELSIUS105.0 CELSIUS DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coil,radio Frequency, cataloged under National Stock Number 5950-01-097-1852, 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 American Precision Industries Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-097-1852
Primary Part NumberER1641-561KR
Item NameCoil,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAmerican Precision Industries Inc.
StatusACTIVE
Reliability IndicatorESTABLISHEDESTABLISHED
Reliability Failure Rate Level in Percent0.0100.010
Body Length0.390 INCHES MINIMUM AND 0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM0.430 INCHES MAXIMUM IN
DC Resistance Rating in Ohms0.330 SINGLE COMPONENT SINGLE WINDING0.330 SINGLE COMPONENT SINGLE WINDING
Test Data Document81349-MIL-C-39010 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).81349-MIL-C-39010 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Core ConstructionS0LID SINGLE COMPONENTS0LID SINGLE COMPONENT
Maximum Operating Temp105.0 CELSIUS105.0 CELSIUS DEGC
Coil Form TypeSOLID SINGLE COMPONENTSOLID SINGLE COMPONENT
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDINGELECTRICAL SINGLE COMPONENT SINGLE WINDING
Overall Diameter0.152 INCHES MINIMUM AND 0.152 INCHES MINIMUM AND 0.172 INCHES MAXIMUM0.172 INCHES MAXIMUM IN
Inductance Rating0.56 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING0.56 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Winding Operating Current490.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE WINDING490.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE WINDING
Specification/standard Data81349-MIL-C-39010/1 GOVERNMENT SPECIFICATION81349-MIL-C-39010/1 GOVERNMENT SPECIFICATION
Terminal Type and Quantity2 WIRE LEAD2 WIRE LEAD
Mounting MethodTERMINAL SINGLE GROUPTERMINAL SINGLE GROUP
Quality Factor43 MINIMUM SINGLE COMPONENT SINGLE WINDING43 MINIMUM SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSEDFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-01-064-1188 INTERCHANGEABLE
Coil,radio Frequency
5950-01-064-1643 INTERCHANGEABLE
Coil,radio Frequency
5950-01-087-6432 INTERCHANGEABLE
Coil,radio Frequency
5950-01-088-4067 INTERCHANGEABLE
Coil,radio Frequency
5950-01-097-1850 INTERCHANGEABLE
Coil,radio Frequency
5950-01-097-1851 INTERCHANGEABLE
Coil,radio Frequency
5950-01-126-2911 INTERCHANGEABLE
Coil,radio Frequency
5950-01-147-9442 INTERCHANGEABLE
Coil,radio Frequency
5950-01-159-5786 INTERCHANGEABLE
Coil,radio Frequency
5950-01-199-7217 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
ER1641-561KR American Precision Industries Inc. (USA)
MIL-C-39010/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-39010/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39010/01AR56KR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5950-01-064-1188INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-064-1643INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-087-6432INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-088-4067INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-097-1850INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-097-1851INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-126-2911INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-147-9442INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-159-5786INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-199-7217INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-242-7548INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-251-2429INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5950-01-097-1852?

NSN 5950-01-097-1852 is a Coil,radio Frequency, manufactured by American Precision Industries Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-097-1852?

NSN 5950-01-097-1852 has 4 cross-referenced part numbers: ER1641-561KR (American Precision Industries Inc.), MIL-C-39010/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-39010/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39010/01AR56KR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5950-01-097-1852?

There are 12 known substitutes for 5950-01-097-1852: 5950-01-064-1188, 5950-01-064-1643, 5950-01-087-6432 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ER1641-561KR?

Key specifications for ER1641-561KR: Reliability Indicator: ESTABLISHEDESTABLISHED; Reliability Failure Rate Level in Percent: 0.0100.010; Body Length: 0.390 INCHES MINIMUM AND 0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM0.430 INCHES MAXIMUM IN; DC Resistance Rating in Ohms: 0.330 SINGLE COMPONENT SINGLE WINDING0.330 SINGLE COMPONENT SINGLE WINDING. 18 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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