Lancaster engine parts help wanted

Hi,
Could anyone on this forum help me with identifying this parts that came from a crash site in Hunsel, Holland. It was Lancaster ME858 from 514 Sqn that crashed here on July 21, 1944.
I think it might help if I add numbers that are written on the items:
1st item : 30
2nd item: J7ACX80527-2/1 and the following nr: 37ACX927/….
Thanks in advance,
Jempy