PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RS12S-220K-5Resistor,fixed,film

Koa Speer Electronics Inc · NSN 5905-01-165-5208 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-165-5208 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-165-5208. Primary manufacturer part number: RS12S-220K-5.
Features
  • Resistor,fixed,film — FSC 5905
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 150.0
  • Temp Range of Temp Coefficient in Deg Celsius: -55.0 TO 150.0
  • Reliability Failure Rate Level in Percent: 0.001
  • Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC
  • Temp Coefficient of Resistance in Ppm Per Deg Celsius: -100.0 TO 100.0
  • Electrical Resistance: 220.000 KILOHMS
  • Inclosure Type: ENCAPSULATED
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,film, cataloged under National Stock Number 5905-01-165-5208, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Koa Speer Electronics Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-01-165-5208
Primary Part NumberRS12S-220K-5
Item NameResistor,fixed,film
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerKoa Speer Electronics Inc
StatusCANCELLED
Ambient Temp in Deg Celsius at Zero Percent Rated Power150.0
Temp Range of Temp Coefficient in Deg Celsius-55.0 TO 150.0
Reliability Failure Rate Level in Percent0.001
Ambient Temp at Full Rated Power70.0 CELSIUS DEGC
Temp Coefficient of Resistance in Ppm Per Deg Celsius-100.0 TO 100.0
Electrical Resistance220.000 KILOHMS
Inclosure TypeENCAPSULATED
Terminal Length1.250 INCHES NOMINAL IN
Terminal TypeWIRE LEAD
Reliability IndicatorESTABLISHED
Body Length0.150 INCHES NOMINAL IN
Power Dissipation Rating in Watts0.125 FREE AIR
Body Diameter0.066 INCHES NOMINAL IN
Test Data Document81349-MIL-R-39017 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.).
Style DesignatorAXIAL TERMINAL EACH END
Unpackaged Unit Weight0.300 GRAMS G
Specification/standard Data81349-MIL-R-39017/5 GOVERNMENT SPECIFICATION
Resistance Tolerance in Percent-2.000 TO 2.000
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5905-00-412-4044 INTERCHANGEABLE
Resistor,fixed,composition
5905-01-059-0155 INTERCHANGEABLE
Resistor,fixed,film
5905-01-495-8754 INTERCHANGEABLE
Resistor,fixed,film
Cross-Reference Index
Part NumberManufacturer
RS12S-220K-5 Koa Speer Electronics Inc (USA)
MIL-PRF-39017/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RLR05C224JR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-39017/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RLR05C224GR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RLR05C224GM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RLR05C2203GS Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RLR05C2203GP Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RLR05C2203GR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RLR05C224JM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RLR05C2203GM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
R65-0002-224 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
Related Parts
5905-00-412-4044INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-01-059-0155INTERCHANGEABLE
RESISTOR,FIXED,FILM
5905-01-495-8754INTERCHANGEABLE
RESISTOR,FIXED,FILM

Frequently Asked Questions

What is NSN 5905-01-165-5208?

NSN 5905-01-165-5208 is a Resistor,fixed,film, manufactured by Koa Speer Electronics Inc, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-01-165-5208?

NSN 5905-01-165-5208 has 12 cross-referenced part numbers: RS12S-220K-5 (Koa Speer Electronics Inc), MIL-PRF-39017/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RLR05C224JR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-39017/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RLR05C224GR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.

What NSN replaces 5905-01-165-5208?

There are 3 known substitutes for 5905-01-165-5208: 5905-00-412-4044, 5905-01-059-0155, 5905-01-495-8754. Verify interchangeability with system specifications before substitution.

What are the specifications of RS12S-220K-5?

Key specifications for RS12S-220K-5: Ambient Temp in Deg Celsius at Zero Percent Rated Power: 150.0; Temp Range of Temp Coefficient in Deg Celsius: -55.0 TO 150.0; Reliability Failure Rate Level in Percent: 0.001; Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-01-165-5208 still in active supply?

NSN 5905-01-165-5208 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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