Found 8 alternatives for 2181 by WEC. Lamps Incandescents Neons — Bulk,Box.
LAMP INCAN RT-1.75 WIRE TERM 10V
LAMP INCAND RT-1.75 WIRE TERM 5V
LAMP INCAN RT-3.25 MIN BAYO 6.3V
LAMP INCAND RT-1.75 MIDG GRV 5V
LAMP INCAND RR-12 SGL BAYO 13V
LAMP INCAND RG3.5 MIN BAYO 14.4V
LAMP INCAND RT-1 MIDG FLANGE 5V
LAMP INCAND RT-1 MIDG FLANGE 14V