Brand new Cree Screen Master 4-mm Oval Red LED C4SMB/C4SMC.
Boxes of 3000 pcs.
Variety of luminous intensity and color (wavelength) bins available.

Manufacturer data.
Size (mm): 4
Typical Forward Voltage: 2.0
Maximum Forward Voltage: 2.6
Maximum Forward Current: 50mA
  For long term performance the drive currents between 10mA and 30mA are recommended.
Color and Typical Dominant Wavelength: Red 621nm
Typical Luminous Intensity (IF = 20 mA): 2800mcd

INTENSITY BIN LIMIT (IF = 20 mA)
Red:
Bin Code  Min.(mcd)  Max.(mcd)
V4        2781       3000
W1        3000       3295

COLOR BIN LIMIT (IF = 20 mA)
Red:
Bin Code  Min.(nm)  Max.(nm)
RB        619       624

Complete data-sheets are available online.

Bins available
C4SMB-RGF-W1-RB-00
C4SMC-RGF-W1-RB-00
C4SMC-RGF-V4-RB-00
C4SMC-RGF-V4-RB-00

Contact if particular bin required.