PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RT10C2L203Resistor,variable,wire Wound,non

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-188-3930 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-188-3930 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-188-3930. Primary manufacturer part number: RT10C2L203.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Shaft Diameter: 0.115 INCHES NOMINAL IN
  • Electrical Resistance Per Section: 20.0 KILOHMS SINGLE SECTION
  • Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 150.0 SINGLE SECTION
  • Mounting Method: UNTHREADED HOLE(S)
  • Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius: -50.0 TO 50.0 SINGLE SECTION
  • Specification/standard Data: 81349-MIL-R-27208/2 GOVERNMENT SPECIFICATION
  • Terminal Location: REAR END LOCATION NOT OTHERWISE SPECIFIED
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-188-3930, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Active.

Technical Specifications
ParameterValue
NSN5905-00-188-3930
Primary Part NumberRT10C2L203
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Shaft Diameter0.115 INCHES NOMINAL IN
Electrical Resistance Per Section20.0 KILOHMS SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power150.0 SINGLE SECTION
Mounting MethodUNTHREADED HOLE(S)
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-50.0 TO 50.0 SINGLE SECTION
Specification/standard Data81349-MIL-R-27208/2 GOVERNMENT SPECIFICATION
Terminal LocationREAR END LOCATION NOT OTHERWISE SPECIFIED
Test Data Document81349-MIL-R-27208 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.).
Ambient Temp in Deg Celsius Per Section at Full Rated Power85.0 SINGLE SECTION
Terminal Type and Quantity3 WIRE LEAD
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts0.75 FREE AIR SINGLE SECTION
Section Quantity1
Body Length1.000 INCHES NOMINAL IN
Mounting Hole Diameter0.093 INCHES NOMINAL IN
Body Height0.315 INCHES NOMINAL IN
Mounting Facility Quantity2
Reliability IndicatorNOT ESTABLISHED
Shaft StyleROUND, SLOTTED
Fragility FactorMODERATELY DELICATE
Body Width0.180 INCHES NOMINAL IN
Shaft Length0.050 INCHES NOMINAL IN
Lateral Distance Between Mounting Hole Centers0.750 INCHES NOMINAL IN
Actuator TypeSINGLE SHAFT
Body StyleRECTANGULAR W/MOUNTING HOLES/SLOTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-681-3769G310047S3 INTERCHANGEABLE
Resistor,variable,wire Wound,non
L3harris Technologies, Inc Div Space & Airborne Systems
5905-00-721-1661131200-21 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ge Aviation Systems Llc
5905-00-728-4286 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-763-5369 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-763-7186 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-763-7187 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-764-1181 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-781-8779 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-806-2913220L1-201 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Bourns Instruments Inc
5905-00-833-4265G310047S1 INTERCHANGEABLE
Resistor,variable,wire Wound,non
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
RT10C2L203 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILR27208-2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5905-00-681-3769INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
G310047S3
5905-00-721-1661INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
131200-21
5905-00-728-4286INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-763-5369INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-763-7186INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-763-7187INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-764-1181INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-781-8779INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-806-2913INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
220L1-201
5905-00-833-4265INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
G310047S1
5905-00-833-4292INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
997-202J
5905-00-902-0646INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON

Frequently Asked Questions

What is NSN 5905-00-188-3930?

NSN 5905-00-188-3930 is a Resistor,variable,wire Wound,non, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-188-3930?

NSN 5905-00-188-3930 has 2 cross-referenced part numbers: RT10C2L203 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILR27208-2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5905-00-188-3930?

There are 12 known substitutes for 5905-00-188-3930: 5905-00-681-3769, 5905-00-721-1661, 5905-00-728-4286 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RT10C2L203?

Key specifications for RT10C2L203: Overall Width: 0.180 INCHES NOMINAL IN; Shaft Diameter: 0.115 INCHES NOMINAL IN; Electrical Resistance Per Section: 20.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 150.0 SINGLE SECTION. 28 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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