For military hardware - certain fasteners
For military hardware - certain fasteners
American screws, bolts, and nuts were historically not fully
interchangeable with their British counterparts, and therefore would not fit
British equipment properly. This, in part, helped lead to the development of
numerous United States Military Standards and specifications for the
manufacturing of essentially any piece of equipment that is used for military
or defense purposes, including fasteners. World War II was a significant factor
in this change.
A
key component of most military standards is traceability. Put simply,
hardware manufacturers must be able to trace their materials to their source,
and provide traceability for their parts going into the supply chain,
usually via bar codes or similar methods. This traceability is intended to help
ensure that the right parts are used and that quality standards are met in each
step of the manufacturing process; additionally, substandard parts can traced
back to their source.
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