THE SPRING WTH THE .180 [4. 57] WIDE TAB WILLREQUIRE A MINIMUM OF 20 TABS (INCLUDING THE WELDMENT) IN THE 1.000 [25. 40] SEAL.THE SPRING WTH THE .140 [3.56] WIDE TAB WILL REQUIRE A MINIMUM OF 25 TABS (INCLUDING THE WELDMENT) IN THE 1.000 [25. 40] SEAL.