The nurses, who have been striking for 53 days, will vote on the agreement on Sunday.
Other city union leaders have expressed support for the teachers, who last struck in 1981 for 51 days.
State law permits them to strike for 10 days.
The union struck Boeing for 69 days during the last round of negotiations in 1995.
I remember riding through there long ago, and being struck dumb for two days.
The flight attendants said they would strike only for 11 days; the pilots have put no such limit on any possible job action.
The union struck for four days during the 1984 playoffs, but won contracts without work stoppages in 1987 and 1990.
The players struck for 50 days in 1981, which became a split season once an agreement was reached.
When that last happened, in 1984, workers struck for 67 days at considerable cost.
In 1977, the union struck for 44 days over wages and benefits.