Manual Re-Arming Kits for Halkey-Roberts 6F Inflators. Kit includes: Green Indicator Pin/Clip and CO2 Canister. These kit types are generally used on older model SOSpenders Inflatable Life Vests/PFDs, older model Stearns Inflatable Life Vests/PFDs, and older model Mustang Survival Inflatable Life Vests/PFD&&';;s manual inflatables. Letter to Part ID: a C - 840AMU-85202Z a D - 840AMU-86121Z a M - 840AMU-82123Z a O - 840AMU-84204Z a X - 840AMU-84203