ACT 4.0MHZ HC49/S 20 50 4.00 MHz Crystal +-20ppm

ACT Low Profile Crystals - ACT 4.0MHZ HC49/S 20 50, Low-profile crystal with 2 pins from ACT with an HC-49/S case, suitable for use in microprocessors and other industrial applications. ACT 4.0MHZ HC49/S 20 50 4.00 MHz Crystal +-20ppm

Price: 0.38 from Rapid Online Rapid Electronics Ltd.