Unknown nose cap

[Fred]

Can anyone identify this nose cap. Its 95mm diameter and quite thick walled, almost 1cm. Although its threaded, there don't seem to be any lugs or flats for a spanner.


Fred

 

[spotter]

If i remember correctly its part of the rapier missile warhead..

 

[Fred]

Thanks for that. I didnt expect it to be an internal part.
fred