scope:

This specification establishes the requirements for the manufacture and acceptance of the 20 millimeter (mm) Semi-armor Piercing, High Explosive Incendiary (SAPHEI) Cartridge, referred to herein as the "cartridge".

The following specifications and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation.

SPECIFICATIONS Military MIL-A-12560 Armor Plate, Steel, Wrought, Homogenous (For Use In and For Combat Vehicles Ammunition Testing).

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.

MIL-P-85723 Projectile, 20mm Semi-Armor Piercing High Explosive Incendiary, PGU-28/B. STANDARDS Military MIL-STD-105 Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-129 Marking for Shipment and Storage. MIL-STD-644 Visual Inspection Standards and Inspection Procedures for Inspection of Packaging, Packing and Marking of Small Arms Ammunition. MIL-STD-651 Visual Inspection Standards for 20mm Ammunition and Components MIL-STD-810 Environmental Test Methods. MIL-STD-882 System Safety Program Requirements. MIL-STD-1167 Ammunition Data Cards. MIL-STD-1168 Lot Numbering of Ammunition. MIL-STD-1235 Single and Multilevel Continuous Sampling Procedures and Tables for Inspection by Attributes.

The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation.

DOCUMENTS Naval Air System Command (Code Ident 30003) AR-68/47 20mm Ammunition, M50 Series (Belted With Links) MK 7 MOD 0 or MK 7 MOD 1, in Container M548. AR-68/48 20mm Ammunition, M50 Series (Loose), in Container M548. DRAWINGS Naval Air Systems Command (Code Ident 30003) 1575AS100 Cartridge, 20mm Semi-Armor Piercing High Explosive Incendiary PGU-28/B. 1575AS101 Projectile. Department of the Army (Code Ident 19201) C7258801 Classifications of Defects, for Case, Cartridge, 20mm, M103, M103A1 and M103B1. 7259023 Cartridge, 20mm, High Explosive Incendiary, M56A3. 7553815 Case, Cartridge, 20mm M103. PUBLICATIONS Code of Federal Regulations 49 CFR 100-199 Hazardous Materials Regulations, Department of Transportation. US Army Material Command AMCR 715-505 Ammunition Ballistic Acceptance Test Methods, Volume 8, Test Procedures for 20mm Cartridges.

(Copies of specifications, standards, drawings, publications and other Government documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.)

In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained.

intended Use:

The PGU-28/B cartridge is intended for use in 20mm M61 and M197 automatic weapons.