PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RP503MResistor,variable,wire Wound,non

Rockwell Automation, Inc. Dba Rockwell Automation · NSN 5905-00-866-1766 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-866-1766 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-866-1766. Primary manufacturer part number: RP503M.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Terminal Type and Quantity: 3 PIN
  • Power Dissipation Rating Per Section in Watts: 50.0 FREE AIR SINGLE SECTION
  • Actuator Type: SINGLE SHAFT
  • Distance Between Mounting Hole Centers: 1.000 INCHES NOMINAL IN
  • Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 SINGLE SECTION
  • Shaft Length: 0.060 INCHES NOMINAL IN
  • Body Width: 1.250 INCHES NOMINAL IN
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 5905-00-866-1766, 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 Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-866-1766
Primary Part NumberRP503M
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerRockwell Automation, Inc. Dba Rockwell Automation
StatusACTIVE
Terminal Type and Quantity3 PIN
Power Dissipation Rating Per Section in Watts50.0 FREE AIR SINGLE SECTION
Actuator TypeSINGLE SHAFT
Distance Between Mounting Hole Centers1.000 INCHES NOMINAL IN
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Shaft Length0.060 INCHES NOMINAL IN
Body Width1.250 INCHES NOMINAL IN
Shaft Diameter0.090 INCHES NOMINAL IN
Electrical Resistance Per Section50.000 KILOHMS SINGLE SECTION
Mounting Hole/stud Circle Diameter0.086 INCHES NOMINAL IN
Section Quantity1
Shaft StyleROUND, SLOTTED
Body Height0.312 INCHES NOMINAL IN
Body Length0.250 INCHES NOMINAL IN
Mounting MethodTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-256-336739-12 INTERCHANGEABLE
Switch,push
Grayhill Inc
5360-00-265-2035044245 INTERCHANGEABLE
Spring,helical,extension
New Holland Construction
Cross-Reference Index
Part NumberManufacturer
719161-51 Raytheon Company Div Rmd Strategic (USA)
044-245 Ampex Systems Corp (USA)
RP503M PRIMARY Rockwell Automation, Inc. Dba Rockwell Automation (USA)
Related Parts
5930-00-256-3367INTERCHANGEABLE
SWITCH,PUSH
39-12
5360-00-265-2035INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
044245

Frequently Asked Questions

What is NSN 5905-00-866-1766?

NSN 5905-00-866-1766 is a Resistor,variable,wire Wound,non, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-866-1766?

NSN 5905-00-866-1766 has 3 cross-referenced part numbers: 719161-51 (Raytheon Company Div Rmd Strategic), 044-245 (Ampex Systems Corp), RP503M (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 5905-00-866-1766?

There are 2 known substitutes for 5905-00-866-1766: 5930-00-256-3367, 5360-00-265-2035. Verify interchangeability with system specifications before substitution.

What are the specifications of RP503M?

Key specifications for RP503M: Terminal Type and Quantity: 3 PIN; Power Dissipation Rating Per Section in Watts: 50.0 FREE AIR SINGLE SECTION; Actuator Type: SINGLE SHAFT; Distance Between Mounting Hole Centers: 1.000 INCHES NOMINAL IN. 15 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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