Those are the thermistors that come in a Bulk. It is included in Bead, Glass as a convenience. When using NTC thermistors, resistance tolerance is ±15%.
AA6B4-GC11KA143L/37C Features
Package/Case: Bulk AB Series Mounting Type: Free Hanging 15% Tolerance
AA6B4-GC11KA143L/37C Applications
There are a lot of Amphenol Advanced Sensors AA6B4-GC11KA143L/37C NTC Thermistors applications.
Temperature compensation for semiconductor devices
Temperature detection for CPU and memory device
Temperature compensation for ink-viscosity (Inkjet Printer)
Temperature detection of battery cells
Temperature compensation of display contrast
Temperature compensation of display backlighting (CCFL)