[METRIC]
A-A-50627
9 February 1995
COMMERCIAL ITEM DESCRIPTION
BELL, ELECTRICAL, SHIPBOARD
The General Services Administration has authorized the use of this commercial item description for all Federal Agencies.
1. Abstract. This commercial item description covers various types of bells for alarm and signaling purpose on naval ships.
2. Salient characteristics
2.1 Mounting. Bells shall be two or three-point vertically mounted as specified on figure 1. Mounting shall be as specified (see 6.1).
2.2 Enclosure. Bells shall be dripproof, watertight, or explosionproof as specified (see 6.1). Enclosure shall be tapped at the bottom for conduit or cable entrance.
2.2.1 Dripproof enclosure.
An enclosure in which the openings are so constructed that drops of liquid or solid particles falling on the enclosure at any angle not greater than 15 degrees from the vertical either cannot enter the enclosure, or if they do enter the enclosure, they will not prevent the successful operation of, or cause damage to, the enclosure equipment (see IEEE 45).
|
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. |
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business