NAS-1327 Complete Document History
Spacer, Thru-Hole, Spline

Complete Current Edition:
   REVISION 1 R23 - STABILIZED IN 2023 - Feb. 29, 2024

Obsolete Revision Information:
   REVISION 1 R16 EDITION - REAFFIRMED IN 2016 - Dec. 22, 2011
   BASE - SPACER, THRU-HOLE, SPLINE - April 1, 1991