NAS-500 Complete Document History
Spacer, Nut, Plate, Countersunk

Complete Current Edition:
   11TH EDITION - SPACER, NUT, PLATE, COUNTERSUNK - Jan. 31, 2017

Obsolete Revision Information:
   10TH EDITION - SPACER, NUT, PLATE, COUNTERSUNK - Nov. 21, 2014
   9TH EDITION - SPACER, NUT, PLATE, COUNTERSUNK - Jan. 28, 2011
   8TH EDITION - NUT SPACER, PLATE - COUNTERSUN - March 11, 1992
   7TH EDITION - NUT SPACER, PLATE - COUNTERSUN - May 31, 1973