AS-3148 Complete Document History
Bolt, Machine - Double Hexagon Extended Washer Head, Close Tolerance Shank, AMS4967 (Uns R56400), 160 Ksi, .2500-28 UNJF-3a

Complete Current Edition:
   REVISION B - Close Tolerance Shank, AMS4967 (UNS R56400), 160 ksi, .2500-28 UNJF-3A - March 28, 2019

Obsolete Revision Information:
   REVISION A - BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, AMS4967 (UNS R56400), 160 KSI, .2500-28 UNJF-3A - June 17, 2013
   BASE R06 - REAFFIRMED IN 2006 - June 1, 2006
   BASE R01 - REAFFIRMED IN 2001 - Nov. 1, 2001
   BASE - REAFFIRMED IN 1982, 91, & 95 - Nov. 1, 1976