PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0109-4550Resistor,variable,nonwire Wound,

E and R Electronics Inc Dba Dumont Oscilloscope · NSN 5905-01-009-8941 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-009-8941 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-009-8941. Primary manufacturer part number: 0109-4550.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Maximum Starting Torque: 6.00 INCH-OUNCES IN
  • Maximum Running Torque: 0.50 INCH-OUNCES IN
  • Electrical Resistance Per Section: 50.0 KILOHMS SINGLE SECTION
  • Mounting Method: STANDARD BUSHING
  • Function Conformity Per Section: SINGLE SECTION INDEPENDENT LINEARITY
  • Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius: -100.0 TO 250.0 SINGLE SECTION
  • Rotary Actuator Travel in Angular Deg: 280.0 NOMINAL
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-009-8941, 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 E and R Electronics Inc Dba Dumont Oscilloscope. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-01-009-8941
Primary Part Number0109-4550
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerE and R Electronics Inc Dba Dumont Oscilloscope
StatusACTIVE
Maximum Starting Torque6.00 INCH-OUNCES IN
Maximum Running Torque0.50 INCH-OUNCES IN
Electrical Resistance Per Section50.0 KILOHMS SINGLE SECTION
Mounting MethodSTANDARD BUSHING
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-100.0 TO 250.0 SINGLE SECTION
Rotary Actuator Travel in Angular Deg280.0 NOMINAL
Function Conformity Tolerance Per Section-0.50 TO 0.50 SINGLE SECTION
Power Dissipation Rating Per Section in Watts2.0 FREE AIR SINGLE SECTION
Shaft StyleROUND, SLOTTED
Effective Electrical Rotation in Deg Angular Rotation280.0 NOMINAL
Terminal Type and Quantity3 TAB, SOLDER LUG
Body Diameter0.750 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Overall Diameter1.125 INCHES NOMINAL IN
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Resistance Tolerance Per Section in Percent-20.0 TO 20.0 SINGLE SECTION
Actuator TypeSINGLE SHAFT
Mounting Bushing Length0.250 INCHES NOMINAL IN
Screw Thread Series DesignatorUNEF
Body Length0.500 INCHES NOMINAL IN
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power150.0 SINGLE SECTION
Screw Thread Quantity Per Inch32.0
Section Quantity1
Screw Thread Diameter0.375 INCHES NOMINAL IN
Nonturn Device LocationAT 9 OCLOCK
Nonturn Device Radius0.438 INCHES NOMINAL IN
Function Characteristic Per SectionSINGLE SECTION LINEAR
Shaft Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5905-00-683-2120 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cross-Reference Index
Part NumberManufacturer
0109-4550 E and R Electronics Inc Dba Dumont Oscilloscope (USA)
550R503B Cts Corp Berne Div Thick Film Products Group (USA)
Related Parts
5905-00-683-2120INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,

Frequently Asked Questions

What is NSN 5905-01-009-8941?

NSN 5905-01-009-8941 is a Resistor,variable,nonwire Wound,, manufactured by E and R Electronics Inc Dba Dumont Oscilloscope, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-01-009-8941?

NSN 5905-01-009-8941 has 2 cross-referenced part numbers: 0109-4550 (E and R Electronics Inc Dba Dumont Oscilloscope), 550R503B (Cts Corp Berne Div Thick Film Products Group).

What NSN replaces 5905-01-009-8941?

There is 1 known substitute for 5905-01-009-8941: 5905-00-683-2120. Verify interchangeability with system specifications before substitution.

What are the specifications of 0109-4550?

Key specifications for 0109-4550: Maximum Starting Torque: 6.00 INCH-OUNCES IN; Maximum Running Torque: 0.50 INCH-OUNCES IN; Electrical Resistance Per Section: 50.0 KILOHMS SINGLE SECTION; Mounting Method: STANDARD BUSHING. 30 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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