Help with part No's I.D.

Does anyone have any idea on these part No’s please.

Stainless steel part. Round inspector stamp with AGLL6 or 9 followed by ; 1 B/13 3/0 2949 C 1 T

Also other part with inspectors stamp AW 46G and others, followed by 27 Z2178 & 27 Z2179

I guess the AW could be Armstong Whitworth or a part made by them ?

Parts from a dump area not a crash site.

Thanks. 🙂

Ant.