M64P104KB40 - 

Multi-Turn Cermet Trimmer

3/8" square multi-turn cermet trimmer. 10% resistance tolerance. 0.5 watt at 85°C. 25-turn nominal. Mechanical Life: 200 cycles. Operating Temperature: -55°C to +125°C. 0.375" × 0.395" × 0.190" Styles: 64P — Staggered pins; 64W — Inline pins (0.100" spacing); 64X — Inline pins (0.100" spacing); 64Y — Staggered pins; 64Z — Staggered pins.
Excellent Operational stability is provided by the use of a cermet element.