sigh007 发表于 2012-3-21 19:17:44

MIL-W-21338A


                   MIL-W-21338A, MILITARY SPECIFICATION: WASHER, KEY, RETAINING BALL AND ROLLER BEARINGS (15 JAN 1970)., This specification covers the procurement requirements for retaining key washers for use in assemblies with ball and roller bearings.         
         
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