MIL-P-19644
Military Specification, Plastic Molding Material (Polystyrene Foam, Expanded Bead)
Published by U.S. Department of Defense (military specifications) (DoD)
The CFR incorporates MIL-P-19644 by reference, which makes the edition it names part of the regulation. The CFR requires the edition it names, which may not be the newest. To enforce any other edition, the agency must publish the change in the Federal Register.
The edition the CFR requires
MIL-P-19644C, July 10, 1970
As the CFR lists it: “MIL-P-19644C, Military Specification, Plastic Molding Material (Polystyrene Foam, Expanded Bead), (July 10, 1970)”
- Listed in 46 CFR 160.010-1(d)(1); required by46 CFR 160.010-5 ↗
How to read it
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MIL-P-19644 is copyrighted by its publisher; RegKnot shows its title and the editions the CFR names, not its text. Read from the eCFR's incorporation-by-reference sections, current as of October 26, 2026. The regulation text governs. All standards the CFR requires.