This Standard is intended to provide all users (manufacturers, distributors, design and configuration, parts control, inventory control, test and maintenance functions) with the capability to identify externally threaded, internally threaded, and nonthreaded fastener products by a preselected order of coding as specified herein.
TheB18PINis a self-contained code,with distinct identification linkage to individual ASME B18 fastener product standards. The PIN code concept provides for direct traceability back to the applicable ASME B18 product standard. In case of conflict with this document and the ASME B18 product standard, the ASME B18 product standard shall take precedence.
This Standard is not intended for use as a substitute for the correct usage of the ASME B18 standards for fastener selection and specification. The PIN code is intended as an alternative to the plain text product callout as prescribed in the “Designation” or “Ordering” section of the source B18 product standard. The existence of a PIN code for B18 fastener description is not intended to imply that all products described are available.
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