Allowance ListsAllowance lists include all nonconsumable itemsand supporting materials needed on the ship. They serveto limit the quantity and type of such items as equipment,controlled equipage, and repair parts that may be carriedaboard at any one time. Ships normally are required tocarry a full allowance but may not normally exceed theallowance. Exceptions occur when demand for repairparts warrants an increase and the type commanderapproves, or for specified categories of material whenthe type commander and cognizant systems commandor bureau approve.The supply department uses allowance lists todetermine responsibility for materials and to maintaincustody records and accountability for items ofcontrolled equipage. Allowance lists also serve asauthority to procure and replace allowed equipment.These lists provide valuable identification data notimmediately available from other sources. You shoulduse allowance lists as the first source of information onstock numbers of items known to be in the ship’sallowance.Allowance lists for consumable supplies are merelyguides to the range and quantities of material thatprobably will be required to operate a given type of ship.A ship may exceed quantities of individual items shownin these lists without submitting a request for change inallowance.COSAL.— The COSAL is a technical and supplymanagement document that enables ships to achievemaximum operating capability for extended periods oftime without external logistical support.The COSAL is technical because it containsnomenclature, operating characteristics, specifications,parts lists, and other technical data on all installedequipment and machinery, and nomenclature andcharacteristics of the equipage and tools required tooperate and maintain the ship and its equipment.The COSAL is a supply management documentbecause it tells the supply officer how much and whatkind of material to stock in the storerooms, and theallowance of equipage items that must be carried aboardship.Supply personnel use computers to prepare theallowances of material to be carried in the storeroomsand material required in the operating spaces from thehundreds of APL/AELs that apply to an individual ship.The preparation of these allowance lists takes intoaccount all of the installed equipment on board, thequantity of each item of that equipment, the failure rateof parts, and the relative importance of these parts to theoperation of the equipment. Of course, the COSAL willnot provide parts for every equipment breakdown. Thiswould require the ship to carry a spare set of allequipment and machinery, which is impossible.The Ships’ Parts Control Center (SPCC) publishesthe COSAL, which covers hull, mechanical, electrical,ordnance, electronics, nuclear weapons, and nuclearpower plant equipment. The COSAL includes anintroduction section that gives detailed descriptions ofits various parts and their contents, and information thatwill be helpful when using them.The COSAL does not include ship’s store stocks,resale clothing, bulk fuels, subsistence items,expendable ordnance, or repair parts for aircraft. Theseitems are covered by separate outfittings and load list.Allowance requirements for nuclear weapons, guidedmissiles, and certain fleet ballistic missile (FBM)equipment are included in special supplements to theCOSAL.The COSAL is divided into parts and sections asfollows:Part ISummary of effective allowance parts/equipagelists (SOEAPLs)Index-Section A, Noun NameIndex-Section B, Service ApplicationIndex-Section C, APL/AEL to EquipmentIdentification Code (EIC)Index-Section D, EIC to APL/AELIndex-Section E, Work Breakdown Structure toAPL/AELPart IISection A–APLsSection B–Circuit symbol data for all electronicsAPLs (microfiche only)Section C– AELPart IIISection A–Stock number sequence list–storeroomitems (SNSL–SRI)Section B–Stock numberspace items (SNSL-OSI)sequence list-operating5-5
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