PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3318-186Resistor,variable,wire Wound,non

Cmc Electronics Inc · NSN 5905-00-989-5606 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-989-5606 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-989-5606. Primary manufacturer part number: 3318-186.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Effective Electrical Rotation in Deg Angular Rotation: 354.0 NOMINAL
  • Shaft Style: ROUND
  • Actuator Type: SINGLE SHAFT
  • Mounting Method: CLAMP RING(S)
  • Electrical Resistance Per Section: 1.0 KILOHMS 1ST SECTION
  • Tap Location From Ccw Terminal Per Section in Ohms: 550.0 ALL SECTIONS
  • Fixed Tap Quantity Per Section: 1 ALL SECTIONS
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 5905-00-989-5606, 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 Cmc Electronics Inc. Government technical data includes 30 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-989-5606
Primary Part Number3318-186
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerCmc Electronics Inc
StatusACTIVE
Effective Electrical Rotation in Deg Angular Rotation354.0 NOMINAL
Shaft StyleROUND
Actuator TypeSINGLE SHAFT
Mounting MethodCLAMP RING(S)
Electrical Resistance Per Section1.0 KILOHMS 1ST SECTION
Tap Location From Ccw Terminal Per Section in Ohms550.0 ALL SECTIONS
Fixed Tap Quantity Per Section1 ALL SECTIONS
Rotary Actuator Travel in Angular Deg360.0 NOMINAL
Power Dissipation Rating Per Section in Watts2.75 FREE AIR ALL SECTIONS
Ambient Temp in Deg Celsius Per Section at Full Rated Power40.0 ALL SECTIONS
Actuator Travel Control FeatureCONTINUOUS MOTION
Terminal Type and Quantity8 TAB, SOLDER LUG
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 ALL SECTIONS
Section Quantity2
Mounting Lip Diameter1.0620 INCHES NOMINAL IN
Nonturn Device LocationAT 3 OCLOCK
Shaft Diameter0.125 INCHES NOMINAL IN
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power105.0 ALL SECTIONS
Body StyleCYLINDRICAL SERVO MOUNTED
Body Diameter1.062 INCHES NOMINAL IN
Electrical Resistance Per Section2.0 KILOHMS 2ND SECTION
Undercut Width0.0620 INCHES NOMINAL IN
Pilot Diameter0.9690 INCHES NOMINAL IN
Body Length1.875 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Overall Diameter1.062 INCHES NOMINAL IN
Nonturn Device Radius0.719 INCHES NOMINAL IN
Pilot Length0.0620 INCHES NOMINAL IN
Shaft Length0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9540-00-288-3746 INTERCHANGEABLE
Beam,structural
5930-00-458-8793120309 INTERCHANGEABLE
Boot,dust and Moisture Seal
Astronautics Corporation of America
5935-00-901-5782 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
120-309 Vishay Sprague Inc (USA)
17W2-2190 Servo Instrument Corporation (USA)
3318-186 PRIMARY Cmc Electronics Inc (CAN)
Related Parts
9540-00-288-3746INTERCHANGEABLE
BEAM,STRUCTURAL
5930-00-458-8793INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
120309
5935-00-901-5782INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL

Frequently Asked Questions

What is NSN 5905-00-989-5606?

NSN 5905-00-989-5606 is a Resistor,variable,wire Wound,non, manufactured by Cmc Electronics Inc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-989-5606?

NSN 5905-00-989-5606 has 3 cross-referenced part numbers: 120-309 (Vishay Sprague Inc), 17W2-2190 (Servo Instrument Corporation), 3318-186 (Cmc Electronics Inc).

What NSN replaces 5905-00-989-5606?

There are 3 known substitutes for 5905-00-989-5606: 9540-00-288-3746, 5930-00-458-8793, 5935-00-901-5782. Verify interchangeability with system specifications before substitution.

What are the specifications of 3318-186?

Key specifications for 3318-186: Effective Electrical Rotation in Deg Angular Rotation: 354.0 NOMINAL; Shaft Style: ROUND; Actuator Type: SINGLE SHAFT; Mounting Method: CLAMP RING(S). 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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