Supplier's name, address, and material designation.
Purchase order number
Weight and size of block or billet.
3.4.1 Identification. Rectangular blocks and cylindrical billets shall be color-
coded red on each end. The with-grain direction shall be marked with an arrow in
accordance with figure 1.
FIGURE 1. Graphite block and billet test specimens.
3.5 Workmanship. The graphite shall be manufactured to assure uniform
material free from visual cracks or other defects that would prevent its use for the
4. QUALITY ASSURANCE PROVISIONS
4.1 Responsibility for inspection. Unless otherwise specified in the contract or
purchase order, the contractor is responsible for the performance of all inspection
requirements (examinations and tests) as specified herein. Except as otherwise
specified in the contract or purchase order, the contractor may use his own or any other
facilities suitable for the performance of the inspection requirements specified herein,
unless disapproved by the Government. The Government reserves the right to perform