MIL-P-231 Revision A, September 1, 1955
Includes all amendments and changes through Amendment 2, May 17, 1972
- This specification covers smokeless propellant intended for use as a propelling charge for cannon.
- Propellant powder covered by this specification shall be furnished in the following types, as specified:
Type I - Cylindrical multiple-perforated grains
Type II - Cylindrical single-perforated grains.