What is BS EN 16602-70-Materials, mechanical parts, and processes of space products about?  
BS EN 16602-70 specifies the requirements and statements applicable to materials, mechanical parts, and processes to satisfy the mission performance requirements.
BS EN 16602-70 covers the following:
- Management, including organization, reviews, acceptance status, and documentation control
- Selection criteria and rules
- Evaluation, validation, and qualification, or verification testing
- Procurement and receiving inspection
- Utilization criteria and rules
BS EN 16602-70 may be tailored for the specific characteristics and constraints of a space project in conformance with ECSS-S-ST-00.
Who is BS EN 16602-70-Materials, mechanical parts, and processes of space products for? 
BS EN 16602-70 on materials, mechanical parts, and processes of space products is useful for: 
- Aeronautical engineers
- Spacecraft manufacturers
- Astronauts
- Testing agencies involved in the inspection of aerospace products
Why should you use BS EN 16602-70-Materials, mechanical parts, and processes of space products?  
BS EN 16602-70 also specifies the documentation requirements and the procedures relevant to obtaining approval for the use of materials, mechanical parts, and processes in the fabrication of space systems and associated equipment.
The provisions of BS EN 16602-70 apply to all actors involved at all levels in the production of space systems. These can include manned and unmanned spacecraft, launchers, satellites, payloads, experiments, electrical ground support equipment, mechanical ground support equipment, and their corresponding organizations.
What’s changed since the last update?
EN 16602-70:2016 supersedes BS EN 13291-3:2003 which is withdrawn.
The main changes with respect to EN 13291-3:2003 are listed below:
- New EN number and modified title
- Reorganization of the content of the document to separate descriptive text and requirements, including clarification, modification of requirements, and implementation of change requests
- Alignment of the three Standards EN 16603-32-08 (based on ECSS-E-ST-32-08C Rev.1), EN 16602-70 (based on ECSS-Q-ST-70C Rev.1), and EN 16602-70-71 (based on ECSS-Q-ST-70- 71C)
- Addition of Subclauses 5.1.18 "Bacterial and fungus growth", 5.1.19 "Hydrogen embrittlement" and 5.1.20 "Manned environment" coming from ECSS-Q-ST-70-71A Rev.1
