The keyword refers to the MAP 01-470 Shock Design Manual , a critical technical specification used by the UK Ministry of Defence (MoD) and naval engineers for the shock-hardening of maritime equipment.
The (often cited with its 2012 update) provides the "Grade Curves" and design requirements necessary to ensure that equipment on Royal Navy ships, such as the Type 26 anti-submarine warfare frigates, can survive underwater explosions or other high-impact shock events.
Authorized contractors can usually obtain these documents through the Naval Authority and Knowledge Management Organisation (NAKMO) or the Bicester-based Forms & Publications Logistics Commodities & Services (FPLCS).
