This standard specifies the test methods for the dimensional and geometric accuracy of retaining rings, and should be used in conjunction with the corresponding product standards and basic standards. This standard gives items with two or more test methods and does not specify arbitration methods. If necessary, it should be agreed between the supplier and the buyer. This standard applies to retaining rings specified by national standards and industry standards. Non-standard parts can also be used as a reference. Note: The size codes used in this standard, unless otherwise noted, are consistent with the product standards and basic standards.
JB/T 9151.7-1999 history
1999JB/T 9151.7-1999 Mehtod of verification for fastenes.Size and geometry.Rings