AIA/NAS NAS 608-1962 (Rev. 3)1962年4月取代自锁及普通帽套筒扳手头螺钉 [代替: AIA/NAS NAS 1351, AIA/NAS NAS 1352]
Screws-Socket Head Cap Plain and Self Locking Superseded - April 1962 (Rev. 3) [Use: AIA/NAS NAS 1351, AIA/NAS NAS 1351, AIA/NAS NAS 1352, AIA/NAS NAS 1352, AIA/NAS NAS 1352]