The BHMS 54mm Motor Reload Parts Kit provides a set of replacement parts in the event of loss or damage to parts included in any BHMS 54mm Reload.

Each parts kit contains:

4 - 223 O-rings for U/C valve (injector) and forward venting bulkheads.
2 - 120 O-rings for U/C valve (injector) and graphite nozzle to fuel grain interfaces.
1 - Nozzle insulator
1 - Compression Sleeve