MIL MS51486 Notice 1-Inactivation 1
SCREW, TAPPING, THREAD FORMING, TYPE AB, PAN HEAD, CROSS-RECESSED
AB型十字槽盘头自攻螺纹成形螺钉
1997-10-01
MIL MS51486 Notice 2-Validation 1
SCREW, TAPPING, THREAD FORMING, TYPE AB, PAN HEAD, CROSS-RECESSED
AB型十字槽盘头自攻螺纹成形螺钉
2019-09-11
MIL MS51486
SCREW, TAPPING, THREAD FORMING, TYPE AB, PAN HEAD, CROSS-RECESSED
AB型盘头十字槽螺纹成型自攻螺钉
1984-08-01
NASM 51861 Rev.4
Screw, Tapping-Thread Forming, Type Ab, Pan Head, Cross-Recessed
Ab型盘头十字槽自攻螺纹成型螺钉
2016-04-29
NASM 51862 Rev.2
Screw, Tapping, Thread Forming, Type AB, Flat 82 Degrees Countersunk Head, Cross-Recessed
AB型82度沉头十字槽螺纹成型自攻螺钉
2018-07-31
MIL MS51861A Notice 2-Validation
SCREW, TAPPING-THREAD FORMING, TYPE AB, PAN HEAD, CROSS-RECESSED (SUPERSEDING MS51861 AND AN530-6) (S/S BY NASM51861-1999)
AB型自攻直通成形十字槽盘头螺钉（取代MS51861和AN530-6）
1996-06-10
MIL MS51861A Notice 3-Cancellation
SCREW, TAPPING-THREAD FORMING, TYPE AB, PAN HEAD, CROSS-RECESSED (SUPERSEDING MS51861 AND AN530-6) (S/S BY NASM51861-1999)
AB型自攻直通成形十字槽盘头螺钉（取代MS51861和AN530-6）
2000-03-29
MIL MS51861A
SCREW, TAPPING-THREAD FORMING, TYPE AB, PAN HEAD, CROSS-RECESSED (SUPERSEDING MS51861 AND AN530-6) (S/S BY NASM51861-1999)
AB型盘头十字槽自攻螺纹成形螺钉（取代MS51861和AN530-6）（由NASM511861-1999标准S/S）
1975-05-15