MIL-PRF-131 Complete Document History
Barrier Materials, Watervaporproof, Greaseproof, Flexible, Heat-Sealable

Complete Current Edition:
   REVISION L - Barrier Materials, Watervaporproof, Greaseproof, Flexible, Heat-Sealable - April 10, 2022

Obsolete Revision Information:
   REV K VALIDATION 1 - VALIDATION NOTICE 1 FOR REVISION K - April 8, 2019
   REVISION K - Barrier Materials, Watervaporproof, Greaseproof, Flexible, Heat-Sealable - Aug. 18, 2005
   REVISION J - BARRIER MATERIALS, WATERVAPORPROOF, GREASEPROOF, FLEXIBLE, H - Aug. 26, 1998