scope:

This specification establishes the requirements for manufacture and acceptance of the Cartridge, 20 millimeter (mm), Target Practice, PGU-27/B and the Cartridge, 20 Millimeter, Target Practice-Tracer, PGU-30/B.

The classification of the cartridges referred to herein are as follows:

a. Type I Cartridge, 20 Millimeter Target Practice, PGU-27/B. b. Type II Cartridge, 20 Millimeter, Target Practice, PGU-30/B.

Beneficial comments (recommendations, additions, deletions and any pertinent data which may be of use in improving this document should be addressed to: Commanding Officer, Naval Air Engineering Center, Systems Engineering and Standardization Department (SESD), Code 93, Lakehurst, NJ 08733-5100, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter.

intended Use:

The PGU-27/B and PGU-30/B cartridges are intended for use in 20mm. M61 and M197 automatic weapons.