PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2C43-500Resistor,variable,wire Wound,non

Clarostat Sensors and Controls · NSN 5905-00-644-6787 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-644-6787 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-644-6787. Primary manufacturer part number: 2C43-500.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Shaft Style: ROUND, SLOTTED
  • Nonturn Device Radius: 0.531 INCHES NOMINAL IN
  • Shaft Diameter: 0.250 INCHES MAXIMUM IN
  • Screw Thread Series Designator: UNEF
  • Screw Thread Quantity Per Inch: 32.0
  • Section Quantity: 2
  • Effective Electrical Rotation in Deg Angular Rotation: 280.0 NOMINAL
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 5905-00-644-6787, 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 Clarostat Sensors and Controls. Government technical data includes 29 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-644-6787
Primary Part Number2C43-500
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerClarostat Sensors and Controls
StatusACTIVE
Shaft StyleROUND, SLOTTED
Nonturn Device Radius0.531 INCHES NOMINAL IN
Shaft Diameter0.250 INCHES MAXIMUM IN
Screw Thread Series DesignatorUNEF
Screw Thread Quantity Per Inch32.0
Section Quantity2
Effective Electrical Rotation in Deg Angular Rotation280.0 NOMINAL
Actuator TypeSINGLE SHAFT
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 ALL SECTIONS
Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius+0.0 TO 130.0 ALL SECTIONS
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Power Dissipation Rating Per Section in Watts1.5 FREE AIR 2ND SECTION
Actuator Travel Control FeatureSTOPS
Terminal Type and Quantity6 TAB, SOLDER LUG
Ambient Temp in Deg Celsius Per Section at Full Rated Power40.0 ALL SECTIONS
Shaft Length0.625 INCHES NOMINAL IN
Rotary Actuator Travel in Angular Deg300.0 NOMINAL
Body Length1.188 INCHES NOMINAL IN
Mounting MethodSTANDARD BUSHING
Nonturn Device LocationAT 9 OCLOCK
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power105.0 ALL SECTIONS
Reliability IndicatorNOT ESTABLISHED
Overall Diameter1.344 INCHES MAXIMUM IN
Electrical Resistance Per Section500.000 OHMS ALL SECTIONS
Mounting Bushing Length0.375 INCHES NOMINAL IN
Body StyleCYLINDRICAL BUSHING MOUNTED
Body Diameter1.125 INCHES NOMINAL IN
Power Dissipation Rating Per Section in Watts2.0 FREE AIR 1ST SECTION
Screw Thread Diameter0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5133-00-241-594434677 INTERCHANGEABLE
Drill,twist
Viking Drill and Tool Inc
1680-00-614-993943500 INTERCHANGEABLE
Screw Jack
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5330-00-716-150243500 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
6680-01-098-288243500 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5930-01-199-742711-51118-00 INTERCHANGEABLE
Switch,proximity
Topworx Inc
5330-01-351-408743500 INTERCHANGEABLE
Gasket
Bourns Inc
6525-01-385-118643500 INTERCHANGEABLE
Rack,developer,photographicfilm
Air Techniques, Inc.
Cross-Reference Index
Part NumberManufacturer
2C43-500 PRIMARY Clarostat Sensors and Controls (USA)
43-500 Clarostat Sensors and Controls (USA)
Related Parts
5133-00-241-5944INTERCHANGEABLE
DRILL,TWIST
34677
1680-00-614-9939INTERCHANGEABLE
SCREW JACK
43500
5330-00-716-1502INTERCHANGEABLE
SEAL,PLAIN ENCASED
43500
6680-01-098-2882INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
43500
5930-01-199-7427INTERCHANGEABLE
SWITCH,PROXIMITY
11-51118-00
5330-01-351-4087INTERCHANGEABLE
GASKET
43500
6525-01-385-1186INTERCHANGEABLE
RACK,DEVELOPER,PHOTOGRAPHICFILM
43500

Frequently Asked Questions

What is NSN 5905-00-644-6787?

NSN 5905-00-644-6787 is a Resistor,variable,wire Wound,non, manufactured by Clarostat Sensors and Controls, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-644-6787?

NSN 5905-00-644-6787 has 2 cross-referenced part numbers: 2C43-500 (Clarostat Sensors and Controls), 43-500 (Clarostat Sensors and Controls).

What NSN replaces 5905-00-644-6787?

There are 7 known substitutes for 5905-00-644-6787: 5133-00-241-5944, 1680-00-614-9939, 5330-00-716-1502 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2C43-500?

Key specifications for 2C43-500: Shaft Style: ROUND, SLOTTED; Nonturn Device Radius: 0.531 INCHES NOMINAL IN; Shaft Diameter: 0.250 INCHES MAXIMUM IN; Screw Thread Series Designator: UNEF. 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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