ALLOWANCE PARTS LIST (APL)

Figure 5-3.COSAL index, part 1, section C.

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11. 12. 13. 14. 15. 16. Preliminary equipment location: Identifies location within ship of the installed component. Service number/valve mark/electrical symbol number: Serial number identifies a specific unit of production. Valve mark/electrical symbol number identifies a specific valve or electrical component used within a system when multiple applications of the same component are present within the same system. Federal supply code for manufacturers: Identifies a specific manufacturer for an equipment/component. Ship type and hull number: The specific ship for which the COSAL is published. Date: COSAL publication date. Page no.: Page number of index. ALLOWANCE PARTS LIST (APL) .– The APL is a technical document prepared for a specific item or component of equipment. It lists descriptive data and characteristics of the equipment, repair parts, and other technical and supply management information. The COSAL binder should contain an APL for every item or component of equipment on board the ship. Each APL is assigned a nine-digit identifying number by SPCC. The first two digits identify the equipment/component category and are listed in an index in the COSAL introduction. The APLs are filed in numerical sequence in part II of the COSAL. You may find an APL number containing a letter P prefix. This indicates an incomplete APL. The body of the APL usually tells why it is incomplete and the action being taken or required to complete it. An APL will not always cover a complete equipment; refer to the section B index (fig. 5-2). The second entry is FEEDWATER SYSTEMS TESTING EQUIPMENT. This is the name of a complete system or equipment for the feedwater system test equipment. Column 2 lists the various feedwater test equipment components, each of which, in this case, has its own APL number. Therefore, the APL may cover a complete equipment or only one component of that equipment. An example of an APL page is shown in figure 5-4. The different data elements are numbered and refer to the numbers in the following list. 1. Equipment/component nomenclature/ characteristics: Name of equipment or component and brief description. This corresponds to the index entries. Figure 5-4.-Example of an APL. 5-9

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