NASM-51959 Complete Document History
Screw, Machine, Flat Countersunk Head, 82 Degrees, Cruciform Recess, Corrosion-Resistant Steel, UNC-2a

Complete Current Edition:
   REVISION 3 - SCREW, MACHINE, FLAT COUNTERSUNK HEAD, 82 DEGREES, CRUCIFORM - Aug. 31, 2022

Obsolete Revision Information:
   REVISION 2 - SCREW, MACHINE, FLAT COUNTERSUNK HEAD, 82 DEGREES, CRUCIFORM - April 30, 2015
   REVISION 1 - RESISTANT STEEL, UNC-2A - April 27, 2010
   DOD ADOPTION - ADOPTION NOTICE FOR 1999 ED. - June 22, 2000
   1999 EDITION - SCREW, MACHINE, FLAT COUNTERSU - Sept. 1, 1999