AS-21442 Complete Document History
Bearing, Roller, Needle, Track Roller, Sealed, Type X, Antifriction, Inch

Complete Current Edition:
   REVISION B - BEARING, ROLLER, NEEDLE, TRACK ROLLER, SEALED, TYPE X, ANTIF - Dec. 14, 2017

Obsolete Revision Information:
   REVISION A - BEARING, ROLLER, NEEDLE, TRACK ROLLER, SEALED, TYPE X, ANTIF - Nov. 1, 2013
   DOD ADOPTION - FYI ONLY: DOD ADOPTED - Jan. 24, 2000
   BASE - BEARING, ROLLER, NEEDLE, TRACK ROLLER, SEALED, TYPE X, ANTIF - Sept. 1, 1999