12-volt, 0.18-amp, 2.2 watt, d.hours = 2000
Edison E10 Miniature Screw Base -- Thread major diameter = 0.375" max. 0.365" min.
Filament = C2V
Filament resistance = 66.7 ohm
Glass = G3-1/2 (11mm dia globe)
Length = 0.906" (23mm)
Possible substitute = 1446 USA

Part Numbers:
512                        Lucas
987 or LBL 987             Lucas
987                        BMC
12875                      Lucas
171-000                    Moss Motors USA
0-658                      Victoria British

47-905-29                  ORBITEC; SSTL
217                        ACELITE
222                        STANLEY
512                        OSRAM; PHILIPS; SUNG-WHEE
987                        BAILEY; BTH; ELTA; EUROPEAN
987                        GUARDIAN; MAZDA; OSRAM
2683                       TUNGSRAM
3766                       OSRAM
3966                       OSRAM
9870                       LUGON
12875                      PHILIPS
114882                     ORBITEC
4790529                    SSTL
A222                       EUROPEAN; STANLEY
A382                       FOCUS
BLB-987 or BLB987          BOSCH
E-3987                     ORBITEC
E24.012.185                BAILEY
E3987                      LAMPTECH
E24012185                  BAILEY
G11MM/MES/P52              LUMAX
HB-987 or HB987            HELLA-MARINE
I/12V/0.1835/E10           BAILEY; GLOBE
I/12V/2.2W/E10/G3.5/987    EUROPEAN
I/12V/2.2W/E10/G11MM/217   ACELITE
I/12V/2.2W/E10/G11MM/A222  STANLEY
I/12V/2.2W/E10/G11MM/A382  FOCUS
P52 or P.52                LUMAX
R-987                      RING
R987                       CPI (Candlepower Inc)
R987                       RING