Re-Arm Kit F 33g - AutomaticManual The Manual and Automatic Inflatable Re-arm Kit contain everything necessary to re-arm your Mustang Manual Inflatables after deployment. The automatic inflator bobbin on all automatic PFDs should be replaced on a regular basis.Note - This re-arm kit replaces discontinued re-arm kits MA7170, MA7174, and MA7270. Use only Mustang Survival re-arm kits. Use of other re-arm kits may result in improper operation or failure to operate and will void the products warranty