MIL-S-12211E, MILITARY SPECIFICATION: SWITCH, PRESSURE (06-APR-1989) [S/S BY MIL-DTL-12211F]

MIL-S-12211E, MILITARY SPECIFICATION: SWITCH, PRESSURE (06-APR-1989) [S/S BY MIL-DTL-12211F]., This specification covers two types of automotive pressure switches (see 6.1). Type I switches operate when fluid pressures drop below predetermined values and type II switches operate when fluid pressures exceed predetermined values.