If you could find another way to block the airflow (kink in the hose?) then any track pump head should fit.
Had a go, but the pin being gone creates a leak too. I tried electrical tape but once the tyre gets to 60psi it rips off. And holding 200psi back in the tank will take some doing.
@Sparky started
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If you could find another way to block the airflow (kink in the hose?) then any track pump head should fit.