AMS-7274 Complete Document History
Rubber, Butadiene-Acrylonitrile (NBR), 65 to 75 Hardness, For Elastomeric Seals in Aircraft Engine Oil Systems

Complete Current Edition:
   REVISION K - 65 to 75 Hardness, for Seals in Aircraft Engine Oil Systems - July 8, 2020

Obsolete Revision Information:
   REVISION J - Rubber, Butadiene-Acrylonitrile (NBR), 65 to 75 Hardness, For Elastomeric Seals in Aircraft Engine Oil Systems - May 8, 2014
   DOD ADOPTION - FYI ONLY: DOD ADOPTED - Sept. 29, 1995
   REVISION H - Rings, Sealing, Butadiene-Acrylonitrile (Nbr) Rubber Oil Res - Oct. 1, 1991
   REVISION G - OBSOLETE REVISION BY REQUEST - July 1, 1989
   REVISION F - OBSOLETE REVISION BY REQUEST - Oct. 1, 1986
   REVISION E - OBSOLETE REVISION BY REQUEST - Feb. 1, 1965
   REVISION D - OBSOLETE REVISION BY REQUEST - Nov. 1, 1962
   REVISION C - OBSOLETE REVISION BY REQUEST - Nov. 1, 1954
   REVISION B - OBSOLETE REVISION BY REQUEST - Nov. 1, 1952
   REVISION A - OBSOLETE REVISION BY REQUEST - Dec. 1, 1951
   BASE - OBSOLETE REVISION BY REQUEST - March 1, 1949