21 EACH - FIRST ARTICLE APPROVAL REQUIRED - Breechblock Forging (Rough Machined), per drawing number 12529569, Rev K, for 120mm M256 Cannon. To include contract data prepared and delivered in accordance with CONTRACT DATA REQUIREMENTS LIST (DD FORM 1423) which is attached hereto as EXHIBIT A; along with general data drawings attachment A.

21 EACH - FIRST ARTICLE APPROVAL WAIVED - Breechblock Forging (Rough Machined), per drawing number 12529569, Rev K, for 120mm M256 Cannon. To include contract data prepared and delivered in accordance with CONTRACT DATA REQUIREMENTS LIST (DD FORM 1423) which is attached hereto as EXHIBIT A; along with general data drawings attachment A.