Barrel Thumb Piston

This is a simple and compact unit, designed for easy insertion into a bored hole. It is moulded in stain free Ivory White Cycolac which imparts an excellent
‘feel’. The unit has a choice of 5/8″ and 3/4″ dia
head caps which form the head assembly. These
can be supplied loose if required. The shank has a
square section to prevent the head rotating. Solder
connections are easily accessible at the rear. Second touch contacts can be fitted if required.

Order DetailsRefCode
Barrel Piston 5/8″ DiaBTP/1FS133
Barrel Piston 3/4″ DiaBTP/2FS134
Barrel Piston 5/8″ Dia 2nd TouchBTP/3AS135
Barrel Piston 3/4″ Dia 2nd. TouchBTP/4AS136
Barrel Piston 5/8″ ReedBTP/5AS186
Barrel Piston 3/4″ ReedBTP/6AS187
  • Available with silver or gold plated contacts.
  • Barrel Thumb Pistons can be supplied fitted with reed switch contacts, single touch only, fitted with flying leads as standard.

Short Thumb Piston

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Thumb Piston

Similar in design to the Barrel Piston this unit is in-tended to be fitted behind the front key rail by two screws. The phosphor bronze centre spindle can be supplied in any length, to suit individual requirements. This length should be advised when ordering.

Order DetailsRefCode
Thumb Piston 5/8″ dia TPU/1AS137
Thumb Piston 3/4″ diaTPU/2AS138
Thumb Piston 5/8″ dia 2nd TouchTPU/3AS139
Thumb Piston 3/4″ dia 2nd TouchTPU/4AS140
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