scope:

The acceptance criteria contained herein are for use in determining the acceptability of nondestructive test (NDT) discontinuities in castings, welds, forgings, extrusions, cladding, and other products when specified by the applicable Naval Sea Systems Command (NAVSEA) drawing, specification, contract, order, or directive. Acceptance criteria contained herein are based upon inspection methods performed in accordance with MIL-STD-271. Use of other inspection requirements requires approval by NAVSEA or its authorized representative. Acceptance criteria contained herein are segregated by class representing the degree of severity of the various discontinuities that are acceptable for each class. The applicable class is specified in the NAVSEA drawing, specification, contract, order, or directive.

intended Use: