DASH -2 INACTIVE FOR DESIGN AFTER 1 NOV. 1945. LOW CARBON STEEL SPACERS INACTIVE FOR DESIGN AFTER 15
NOV. 1952. NORMALIZED ALLOY SPACERS INACTIVE FOR DESIGN AFTER 15 AUG. 1962. USE ACTIVE NAS43 SPACERS
IN DESIGN. FOR DESCRIPTION OF STATUS NOTES SEE NAS380