scope:

This specification covers the requirements for 60-hertz (Hz), three-phase, alternating current (ac) motors for shipboard use in frame sizes not less than 182.

Motors furnished in accordance with this specification have the following services as specified (see 6.2):

Services. Service A - Heavy-duty, high-impact, shock-resistant motors for driven auxiliaries which are essential to the Military effectiveness of a ship. Service C - Commercial marine motors for driven auxiliaries which are not essential to the Military effectiveness of a ship.

Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, SEA 03R42, Naval Sea Systems Command, 2531 Jefferson Davis Hwy, Arlington, VA 22242-5160 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.

This appendix covers a list of examinations which shall be performed before, during, and after assembly of service A motors furnished in accordance with this specification. This appendix is a mandatory part of the specification. The information contained herein is intended for compliance.

intended Use:

AC, 60-Hz, integral-hp motors conforming to this specification are intended for use with driven auxiliaries on board Naval ships.