PartsTable
Technical Data Sheet
PartsTable / MRO / 300-143
300-143 ✓ 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,WIRE WOUND,PRE. Key specifications include color: ORANGE, material: PLASTIC OVERALL, base_type: STANDARD BASE, reed_type: SINGLE, unit_type: ELECTROMECHANICAL, design_type: ONE-PIECE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-110-2560, 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→ 300-143
NSN: 5940-00-110-2560
FSC: 5940
CAGE: 99564 — AMETEK, INC. DBA AEROSPACE GST DIV AEROSPACE (USA)
SPECIFICATIONS
colorORANGE
materialPLASTIC OVERALL
base_typeSTANDARD BASE
reed_typeSINGLE
unit_typeELECTROMECHANICAL
design_typeONE-PIECE
constructionSINGLE SIDED
thread_class5A STUD THREAD A
hole_diameter0.125 INCHES NOMINAL IN
terminal_typePIN
thread_length0.500 INCHES MINIMUM STUD THREAD IN
overall_height0.312 INCHES NOMINAL IN
NSN5940-00-110-2560
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 300-143 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
CONDUCTOR ACCOMMODATION TYPE: PIN ALL ENDS
•
MOUNTING METHOD STYLE: PRESS FIT
•
PRECIOUS MATERIAL: GOLD
•
BASIC SHAPE STYLE: NONTUBULAR ROUND
•
MAJOR BUSHING LENGTH: 0.012 INCHES IN
•
MINOR BUSHING LENGTH: 0.043 INCHES IN
•
MAJOR BUSHING DIAMETER: 0.110 INCHES IN
•
SURFACE TREATMENT: COPPER OR GOLD MOUNTING FACILITY SINGLE LAYER
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR ACCOMMODATION TYPEPIN ALL ENDS
MOUNTING METHOD STYLEPRESS FIT
PRECIOUS MATERIALGOLD
BASIC SHAPE STYLENONTUBULAR ROUND
MAJOR BUSHING LENGTH0.012 INCHES IN
MINOR BUSHING LENGTH0.043 INCHES IN
MAJOR BUSHING DIAMETER0.110 INCHES IN
SURFACE TREATMENTCOPPER OR GOLD MOUNTING FACILITY SINGLE LAYER
MATERIALCOPPER ALLOY OVERALL
OVERALL DIAMETER0.110 INCHES0.110 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
300143Interchangeable
interchangeable cross-reference
interchangeable
37X162Interchangeable
interchangeable cross-reference
interchangeable
030.01.0043Interchangeable
interchangeable cross-reference
interchangeable
58246Interchangeable
interchangeable cross-reference
interchangeable
C300Interchangeable
interchangeable cross-reference
interchangeable
A300Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 300-143?
300-143 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 300-143?
There are 11 known substitutes for 300-143: 300143, 37X162, 030.01.0043 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 300-143?
300-143 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-110-2560. 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