Land Rover Series 2 2a Lucas Type SPB400 hydraulic brake light switch 502097
1/8" x 27 NPTF 2 x screw terminals
Cross references: Intermotor 51600, Lucas 51620, 31082 31802, 34542 & 34765, Land Rover 545280, 502097, 560775 & STC1689 13H2303, SLS34, 141-700, BMK1278 
As fitted to:  ALFA ROMEO 1750 Berlina GTV, Spider Veloce  1968 GT Junior 1300  1966-68
 Austin Mini 850 , 1000  1964-73 Mini Clubman 1000  1970-73 Mini Cooper  1962-65 Mini Cooper S  1964-69 
Austin Healey Sprite MkI 
 CASE INTERNATIONAL 885G Tractor  1978-83 885L Tractor, 885N Tractor Diesel  1978-83 885N Tractor Petrol  1978-81 990 Highway Tractor  1978-83 990 Highway Tractor Selectomatic  1978-83 990/1 , 995 , 996 Tractor  1978-81
FIAT 238  1969-83 
 FORD Escort 1100 , 13000  1968-70 Escort Twin Cam  1968-71 
 JAGUAR XK120 , XK140 , XK150 240 , 340  1967 420 , 420G  1966-70 
Daimler Limousine  1969-92 Daimler Sovereign 2.8 , 4.2  1969-71 E Type DH , FH Coupe 4.2  1961-72 XJ6/XJ 2.8 , 4.2 , 4.2 Auto  1968-71  
LTI CARBODIES FL2 Hire Car 2.25D  1972-77 FX4 Taxi 2.25D  1972-85 
 MASERATI Bora 4700  1970-78 Bora 4900  1978-82 Khamsin  1972-82 Merak SS  1972-83 
 MORGAN Four Four 1600  1982-85 Plus Eight 3.5  1968-74 
 AUSTIN / MORRIS / ROVER A60 Cambridge 1600  1966-69 Austin 1100 , 1300  1969-74 Austin 1300 GT  1970-74 
 MG 1300  1968-71 MGB GT , Roadster  1963-74 MGC GT , Roadster  1968-69 
 Morris Mini 850 , 1000  1964-73 Mini Clubman 1000  1970-73 Mini Cooper  1962-65 Mini Cooper S  1964-69 
Morris Minor 1000  1963-67 Morris 1100 , 1300  1969-733 Morris 1300 GT , Traveller  1969-73 Oxford 1600  1967-71 
Vanden Plas 1300 princess  1967-74 
Wolseley 1100  1968 Wolseley 1300  1968-71 Wolseley 16/60  1969-70 Wolseley Hornet  1963-69
Rootes/Commer RTI KC Walk Thru 1 1/2 Ton, Diesel  1970-76 KC Walk Thru 2 Ton  1970-76 KC Walk Thru 2, 3 Ton Diesel  1970-78 PB 1500 , 2000 , 2500 Spacevan Diesel  1969-76
Triumph TR3A from TS600001  Triumph TR4 to CT26929
Lucas SMB423 also available with later spade 'lucar' terminals - see other listings 
Thanks for looking!