本标准规定了由MIL-P-25732丙烯腈-丁二烯（NBR）橡胶模制的D型环的尺寸和视觉质量要求、批次要求、包装和标签要求。应将其用于采购目的。

THIS STANDARD ESTABLISHES THE DIMENSIONAL AND VISUAL QUALITY REQUIREMENTS, LOT REQUIREMENTS, AND PACKAGING AND LABELING REQUIREMENTS FOR D-RINGS MOLDED FROM MIL-P-25732 ACRYLONITRILE BUTADIENE (NBR) RUBBER.IT SHALL BE USED FOR PROCUREMENT PURPOSES.