PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500-656Resistor,variable,wire Wound,pre

Vishay Sprague Inc · NSN 5905-00-602-4819 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-602-4819 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-602-4819. Primary manufacturer part number: 500-656.
Features
  • Resistor,variable,wire Wound,pre — FSC 5905
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 1.438 INCHES MINIMUM AND 1.458 INCHES MAXIMUM IN
  • Section Quantity: 1
  • Mounting Method: STANDARD BUSHING
  • Rotary Actuator Travel in Angular Deg: 3600.0 MINIMUM AND 3610.0 MAXIMUM
  • Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 SINGLE SECTION
  • Maximum Starting Torque: 0.50 INCH-OUNCES IN
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 5905-00-602-4819, 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 Vishay Sprague Inc. Government technical data includes 30 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-602-4819
Primary Part Number500-656
Item NameResistor,variable,wire Wound,pre
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerVishay Sprague Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length1.438 INCHES MINIMUM AND 1.458 INCHES MAXIMUM IN
Section Quantity1
Mounting MethodSTANDARD BUSHING
Rotary Actuator Travel in Angular Deg3600.0 MINIMUM AND 3610.0 MAXIMUM
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power125.0 SINGLE SECTION
Maximum Starting Torque0.50 INCH-OUNCES IN
Screw Thread Quantity Per Inch32.0
Screw Thread Diameter0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
Effective Electrical Rotation in Deg Angular Rotation3600.0 MINIMUM AND 3610.0 MAXIMUM
Shaft End Play0.005 INCHES IN
Electrical Resistance Per Section100.0 KILOHMS SINGLE SECTION
Fragility FactorMODERATELY RUGGED
Features ProvidedHUMIDITY PROOF
Shaft Runout0.002 INCHES IN
Pilot Diameter Runout0.002 INCHES IN
Actuator TypeSINGLE SHAFT
Screw Thread Series DesignatorUNEF
Shaft Radial Play0.003 INCHES IN
Maximum Stop Torque100.00 INCH-OUNCES IN
Maximum Running Torque0.40 INCH-OUNCES IN
Lateral Runout0.005 INCHES IN
Bearing TypeSLEEVE SHAFT
Precious MaterialGOLD
Ambient Temp in Deg Celsius Per Section at Full Rated Power40.0 SINGLE SECTION
Actuator Travel Control FeatureSTOPS
Terminal LocationLONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Precious Material and LocationTERMINAL SURFACES GOLD
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 SINGLE SECTION
Function Conformity Tolerance Per Section-0.50 TO 0.50 SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-443-96045006-56 INTERCHANGEABLE
Packing,preformed
Alta Robbins, Inc. Dba Alta Robbins Inc
5910-00-915-354240D256F050DC2 INTERCHANGEABLE
Capacitor,fixed,electrolytic
B. Microfarads, Inc. Dba Barker Microfarads
2930-01-604-9048227-8851 INTERCHANGEABLE
Manifold,fluid Cooler
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
227885-1 Raytheon Company (USA)
500-656 PRIMARY Vishay Sprague Inc (USA)
Related Parts
5330-00-443-9604INTERCHANGEABLE
PACKING,PREFORMED
5006-56
5910-00-915-3542INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
40D256F050DC2
2930-01-604-9048INTERCHANGEABLE
MANIFOLD,FLUID COOLER
227-8851

Frequently Asked Questions

What is NSN 5905-00-602-4819?

NSN 5905-00-602-4819 is a Resistor,variable,wire Wound,pre, manufactured by Vishay Sprague Inc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-602-4819?

NSN 5905-00-602-4819 has 2 cross-referenced part numbers: 227885-1 (Raytheon Company), 500-656 (Vishay Sprague Inc).

What NSN replaces 5905-00-602-4819?

There are 3 known substitutes for 5905-00-602-4819: 5330-00-443-9604, 5910-00-915-3542, 2930-01-604-9048. Verify interchangeability with system specifications before substitution.

What are the specifications of 500-656?

Key specifications for 500-656: Reliability Indicator: NOT ESTABLISHED; Body Length: 1.438 INCHES MINIMUM AND 1.458 INCHES MAXIMUM IN; Section Quantity: 1; 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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