Ordnance provision system. [Ordnance catalog (ordnance provision system): Group D, Howitzer, 240-mm, M1 and carriage, howitzer, 240-mm, M1, major items, maintenance parts and equipment required for maintenance of howitzer, 240-mm, M1, mechanism, recoil, M8, carriage, howitzer, 240-mm, M1, wagon, cannon transport, 240-mm, M2, and wagon, carriage transport, 240-mm, M3, addendum; Jan. 12, 1943.

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