PartsTable
Technical Data Sheet
PartsTable / MRO / 300S1
300S1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include duty_type: CONTINUOUS, shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 0.688 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 3.020 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-079-0381, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 300S1
NSN: 5945-00-079-0381
FSC: 5945
CAGE: 18741 — TE CONNECTIVITY CORPORATION (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
shaft_typeROUND SINGLE ACTUATOR
shaft_length0.688 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
coil_quantity1
overall_width3.020 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
thread_length0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_height4.585 INCHES NOMINAL IN
overall_length2.812 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
NSN5945-00-079-0381
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 300S1 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
OPERATING VOLTAGE RATING AND TYPE AT SPECIFIED TEMP: 450.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
•
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 120.0 AC AND 28.0 DC
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 THREADED STUD(S) SINGLE MOUNTING FACILITY
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
THREAD CLASS: 2A SINGLE MOUNTING FACILITY A
•
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING VOLTAGE RATING AND TYPE AT SPECIFIED TEMP450.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS120.0 AC AND 28.0 DC
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED STUD(S) SINGLE MOUNTING FACILITY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
OVERALL LENGTH3.520 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
THREAD CLASS2A SINGLE MOUNTING FACILITY A
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
OVERALL WIDTH3.020 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.164 INCHES SINGLE MOUNTING FACILITY IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
A3570Interchangeable
interchangeable cross-reference
interchangeable
2-1019Interchangeable
interchangeable cross-reference
interchangeable
300S1Interchangeable
interchangeable cross-reference
interchangeable
184634N2Interchangeable
interchangeable cross-reference
interchangeable
21-036Interchangeable
interchangeable cross-reference
interchangeable
2242Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 300S1?
300S1 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 300S1?
There are 16 known substitutes for 300S1: A3570, 2-1019, 300S1 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 300S1?
300S1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-079-0381. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026