MIL-B-27497C (NOTICE-3), DETAIL SPECIFICATION: BEARING, JEWEL, SAPPHIRE OR RUBY, SYNTHETIC (09-MAY-2012)
MIL-B-27497C (NOTICE-3), DETAIL SPECIFICATION: BEARING, JEWEL, SAPPHIRE OR RUBY, SYNTHETIC (09-MAY-2012).,
MIL-B-27497C, dated 05-Apr-2006, remains inactive for new
design; however, the document is valid for use.