MS17826H (NOTICE 1), MILITARY SPECIFICATION: NUT, SELF-LOCKING, CASTELLATED, HEXAGON 250 DEG. F, THIN NON-METALLIC INSERT (30 JUN 1994)
MS17826H (NOTICE 1), MILITARY SPECIFICATION: NUT, SELF-LOCKING, CASTELLATED, HEXAGON 250 DEG. F, THIN NON-METALLIC INSERT (30 JUN 1994).