Spring contact, inertia switch, and method of manufacturing an inertia switch

A method of manufacturing an inertia switch, the method comprising:

• forming at least one spring contact in a sheet of material, the spring contact comprising:
• a conductive body portion having:
• an outer edge;
• and
• an inner edge partially surrounding an open area;
• an at least partially closable split in the conductive body portion, the split extending between the outer edge and the inner edge;
• a conductive contact finger extending from the inner edge into the open area;
• and
• a break-off tab extending between the spring contact and the sheet;
• separating the at least one spring contact from the sheet;
• providing a mass;
• inserting a spring contact of the at least one spring contacts within the mass at least partially closing the split in the conductive body portion during the inserting the spring contact within the mass;
• providing a shell having a first conductive member secured thereto;
• positioning the mass within the shell;
• providing a header having a second conductive member extending therethrough;
• positioning a biasing member between the header and the spring contact;
• and
• securing the header to the shell;
• wherein the biasing member provides a bias between the spring contact and the second conductive member.