MIL-HDBK-6870B
component (see 4.3). Acceptable defect size, critical location and orientations should be referenced on the drawings or other released engineering specifications as appropriate. In all cases, the notation should consist of the signature of the contractor's authorized NDI Level III representative to the NDI Requirements Review Board.
5.2 Drawings.
The NDIRRB review should be the basis for specifying NDI requirements on engineering production drawings. The NDI procedure number, process specification, or coding, thereto, will be referenced on the drawing.
5.3 Preparation of NDI process and procedures specifications.
5.3.1 Use of general NDI process specifications.
The use of process specifications, such as those listed in 2.2 and 2.3, as sole controlling specifications is not permitted. These specifications reflect minimum quality requirements and are broad in scope.
5.3.2 Company NDI process specifications.
Company process specifications should be prepared incorporating the requirements of the referenced Government and non-Government process specifications. The company process specifications should meet or exceed the requirements of the referenced process specifications using the particular equipment, personnel and test facilities required to meet the reliability requirements of the product. If no general process specification exists for a particular method a company process specification or general NDI procedure should be generated and should incorporate sufficient information and criteria to adequately describe the NDI method and control the process.
5.3.2.1 Special NDI procedures.
Special procedures to inspect designated components may be used to supplement company process specifications. A contractor may elect to incorporate all processing criteria into each NDI procedure in lieu of generating process specifications.
5.3.2.2 NDI standardization.
The company process specification should reflect procedures, acceptance criteria, and records requirements to assure adequate quality assurance measures are being enforced to keep the NDI process in control. Basic processes, equipment, reference standards, materials, and method specific variables, as applicable, should be monitored to assure adequate control of the inspection process. Attempts should be made to use standard DoD NDI equipment and procedures (e.g., T.O. 33B-1-2/TM 1-1500-366-23/NAVAIR 01-1A-16-2) wherever possible to streamline the development and transition of in-service inspection procedures for sustainment.
5.3.2.3 Approval.
Company process specifications for NDI to be applied on aircraft and missile system components will be coordinated with an authorized representative of the contractor and be subject to review and approval by the NDIRRB and the Government as specified by the contract.
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