A fastening, designed to attach a primer (5) to the body (2) of a grenade (1), comprises a support (9) with a thin cylindrical wall (10) having its upper edge (11) crimped over the primer. The support can be cup-shaped, with its base (12) welded to rods (6) passing through...
The primer is sealed in its bore in the fuse body by a crimped ring which leaves the primer exposed to visual inspection to insure its correct orientation within the fuse. The delay charge is made symmetrical by removing the initiator charge from its usual location in the delay charge housing...