PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CB2339AResistor,variable,nonwire Wound,

Cts Corp Electromechanical Div · NSN 5905-00-636-6383 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-636-6383 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-636-6383. Primary manufacturer part number: CB2339A.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Effective Electrical Rotation in Deg Angular Rotation: 300.0 NOMINAL
  • Ambient Temp in Deg Celsius Per Section at Full Rated Power: 55.0 ALL SECTIONS
  • Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 85.0 ALL SECTIONS
  • Rotary Actuator Travel in Angular Deg: 300.0 NOMINAL
  • Device Design Type: NONTURN AT 9:00 OCLOCKUNABLE TO DECODE
  • Shaft Diameter: 0.250 INCHES MAXIMUM IN
  • Nonturn Device Radius: 0.438 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-636-6383, 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 Cts Corp Electromechanical Div. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-636-6383
Primary Part NumberCB2339A
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerCts Corp Electromechanical Div
StatusACTIVE
Effective Electrical Rotation in Deg Angular Rotation300.0 NOMINAL
Ambient Temp in Deg Celsius Per Section at Full Rated Power55.0 ALL SECTIONS
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power85.0 ALL SECTIONS
Rotary Actuator Travel in Angular Deg300.0 NOMINAL
Device Design TypeNONTURN AT 9:00 OCLOCKUNABLE TO DECODE
Shaft Diameter0.250 INCHES MAXIMUM IN
Nonturn Device Radius0.438 INCHES NOMINAL IN
Screw Thread Quantity Per Inch32.0
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Mounting MethodSTANDARD BUSHING
Features ProvidedNONMETALLIC SHAFT
Screw Thread Diameter0.375 INCHES NOMINAL IN
Electrical Resistance Per Section400.0 KILOHMS 1ST SECTION AND 250.0 KILOHMS 2ND SECTION
Fragility FactorMODERATELY DELICATE
Screw Thread Series DesignatorUNEF
Shaft Length1.000 INCHES NOMINAL IN
Power Dissipation Rating Per Section in Watts0.5 HEAT SINK ALL SECTIONS
Shaft StyleROUND
Body Length0.875 INCHES NOMINAL IN
Section Quantity2
Body StyleCYLINDRICAL BUSHING MOUNTED
Mounting Bushing Length0.375 INCHES NOMINAL IN
Body Diameter0.938 INCHES NOMINAL IN
Actuator TypeSINGLE SHAFT
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity6 TAB, SOLDER LUG
Resistance Tolerance Per Section in Percent-20.0 TO 20.0 ALL SECTIONS
Actuator Travel Control FeatureSTOPS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-035-793521-120 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5330-00-116-523621098 INTERCHANGEABLE
Seal,plain
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4510-00-138-8262 INTERCHANGEABLE
Drain,bathtub
3110-00-157-1963211-20 INTERCHANGEABLE
Bearing,ball,annular
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5950-00-175-316621-120 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc.
4510-00-192-8985119506 INTERCHANGEABLE
Seal Ring,closet Bowl Flange
Mag Aerospace Industries, Llc Div Safran Cabins
4720-00-289-3306100R5-20 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
3417-00-307-901421-120 INTERCHANGEABLE
Milling Machine Horizontal
Rockingham-Lunex Co
5360-00-326-6958A21120 INTERCHANGEABLE
Spring,helical,compression
Aerocontrolex Group, Inc. Dba Aero Fluid Products
4520-00-566-2072 INTERCHANGEABLE
Heating Element,electrical,nonim
Cross-Reference Index
Part NumberManufacturer
CB2339A PRIMARY Cts Corp Electromechanical Div (USA)
21120 Measurement Specialties Inc (USA)
3K25362REV2 Stellant Systems Inc (USA)
CB2339A Cts Corp (USA)
Related Parts
5999-00-035-7935INTERCHANGEABLE
CONTACT,ELECTRICAL
21-120
5330-00-116-5236INTERCHANGEABLE
SEAL,PLAIN
21098
4510-00-138-8262INTERCHANGEABLE
DRAIN,BATHTUB
3110-00-157-1963INTERCHANGEABLE
BEARING,BALL,ANNULAR
211-20
5950-00-175-3166INTERCHANGEABLE
REACTOR
21-120
4510-00-192-8985INTERCHANGEABLE
SEAL RING,CLOSET BOWL FLANGE
119506
4720-00-289-3306INTERCHANGEABLE
HOSE,NONMETALLIC
100R5-20
3417-00-307-9014INTERCHANGEABLE
MILLING MACHINE HORIZONTAL
21-120
5360-00-326-6958INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A21120
4520-00-566-2072INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
4720-00-912-4095INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
192-21120
5940-00-983-6141INTERCHANGEABLE
TERMINAL BOARD

Frequently Asked Questions

What is NSN 5905-00-636-6383?

NSN 5905-00-636-6383 is a Resistor,variable,nonwire Wound,, manufactured by Cts Corp Electromechanical Div, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-636-6383?

NSN 5905-00-636-6383 has 4 cross-referenced part numbers: CB2339A (Cts Corp Electromechanical Div), 21120 (Measurement Specialties Inc), 3K25362REV2 (Stellant Systems Inc), CB2339A (Cts Corp).

What NSN replaces 5905-00-636-6383?

There are 12 known substitutes for 5905-00-636-6383: 5999-00-035-7935, 5330-00-116-5236, 4510-00-138-8262 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CB2339A?

Key specifications for CB2339A: Effective Electrical Rotation in Deg Angular Rotation: 300.0 NOMINAL; Ambient Temp in Deg Celsius Per Section at Full Rated Power: 55.0 ALL SECTIONS; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 85.0 ALL SECTIONS; Rotary Actuator Travel in Angular Deg: 300.0 NOMINAL. 28 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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