British WW1 Fuze Part ?

[siegfreid]

Brass part measuring 3.8" x 1.383" thread diameter . It's marked No41 LAP 4/18 . I have a feeling it may be from an aerial bomb but any help would be much appreciated . Thanks !

 

[spotter]

no4 aerial bomb fuze from ww1 http://www.bocn.co.uk/vbforum/threads/13094-British-ww1-no4-aerial-bomb-fuze-info-please

 

[siegfreid]

Thanks , Spotter ! Much obliged to you . Mike.