PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55-20-406Resistor,variable,wire Wound,pre

Ideal Precision Meter Co Dba Ideal Precision Meter Co · NSN 5905-00-284-3833 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-284-3833 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-284-3833. Primary manufacturer part number: 55-20-406.
Features
  • Resistor,variable,wire Wound,pre — FSC 5905
  • Pilot Diameter: 1.8250 INCHES NOMINAL IN
  • Section Quantity: 1
  • Body Diameter: 2.000 INCHES NOMINAL IN
  • Undercut Diameter: 1.875 INCHES NOMINAL IN
  • Shaft Style: ROUND
  • Body Style: CYLINDRICAL SERVO MOUNTED
  • Rotary Actuator Travel in Angular Deg: 360.0 NOMINAL
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-284-3833, 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 Ideal Precision Meter Co Dba Ideal Precision Meter Co. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5905-00-284-3833
Primary Part Number55-20-406
Item NameResistor,variable,wire Wound,pre
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerIdeal Precision Meter Co Dba Ideal Precision Meter Co
StatusACTIVE
Pilot Diameter1.8250 INCHES NOMINAL IN
Section Quantity1
Body Diameter2.000 INCHES NOMINAL IN
Undercut Diameter1.875 INCHES NOMINAL IN
Shaft StyleROUND
Body StyleCYLINDRICAL SERVO MOUNTED
Rotary Actuator Travel in Angular Deg360.0 NOMINAL
Bearing TypeBALL SHAFT
Maximum Running Torque0.30 INCH-OUNCES IN
Lateral Runout0.001 INCHES IN
Mechanical Backlash in Deg Angular Rotation10.0
Shaft Radial Play0.002 INCHES IN
Effective Electrical Rotation in Deg Angular Rotation320.0 NOMINAL
Shaft Runout0.001 INCHES IN
Shaft End Play0.00300 INCHES IN
Actuator TypeSINGLE SHAFT
Maximum Starting Torque0.60 INCH-OUNCES IN
Pilot Diameter Runout0.00150 INCHES IN
Function Conformity Tolerance Per Section-0.50 TO 0.50 SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Electrical Resistance Per Section20.000 KILOHMS SINGLE SECTION
Actuator Travel Control FeatureSTOPS
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power125.0 SINGLE SECTION
Fixed Tap Quantity Per Section1 SINGLE SECTION
Mounting MethodCLAMP RING(S)
Tap Location From Ccw Terminal Per Section in Ohms10000.0 SINGLE SECTION
Function Characteristic Per SectionSINGLE SECTION LINEAR
Tap Location Tolerance Per Section-1.0 TO 1.0 OHMS SINGLE SECTION
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
Resistance Tolerance Per Section in Percent-1.0 TO 1.0 SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-144-85496411 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
Cross-Reference Index
Part NumberManufacturer
RVBC2-20KOHMPORM1PCTCTL0.5 Bowmar/tic Inc Sub of Bowmar Instrument Corp (USA)
55-20-406 PRIMARY Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
238859 Raytheon Technical Services Company (USA)
238859 PRIMARY Cae Usa Inc. (USA)
RVBC2S59 Bowmar/tic Inc Sub of Bowmar Instrument Corp (USA)
Related Parts
3110-00-144-8549INTERCHANGEABLE
BEARING,BALL,ANNULAR
6411

Frequently Asked Questions

What is NSN 5905-00-284-3833?

NSN 5905-00-284-3833 is a Resistor,variable,wire Wound,pre, manufactured by Ideal Precision Meter Co Dba Ideal Precision Meter Co, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-284-3833?

NSN 5905-00-284-3833 has 5 cross-referenced part numbers: RVBC2-20KOHMPORM1PCTCTL0.5 (Bowmar/tic Inc Sub of Bowmar Instrument Corp), 55-20-406 (Ideal Precision Meter Co Dba Ideal Precision Meter Co), 238859 (Raytheon Technical Services Company), 238859 (Cae Usa Inc.), RVBC2S59 (Bowmar/tic Inc Sub of Bowmar Instrument Corp).

What NSN replaces 5905-00-284-3833?

There is 1 known substitute for 5905-00-284-3833: 3110-00-144-8549. Verify interchangeability with system specifications before substitution.

What are the specifications of 55-20-406?

Key specifications for 55-20-406: Pilot Diameter: 1.8250 INCHES NOMINAL IN; Section Quantity: 1; Body Diameter: 2.000 INCHES NOMINAL IN; Undercut Diameter: 1.875 INCHES NOMINAL IN. 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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