TM 5-3895-368-14&Pe.INDEX NUMBERS. Items which have the wordBULK in the figure column will have an index numbershown in the item number column. This index number isa cross-reference between the National StockNumber/Part Number Index and the bulk material list inSection II.6.How to Locate Repair Parts.a.When National Stock Number or Part Number isNot Known.(1)First. Using the table of contents,determine the assembly group or subassembly group towhich the item belongs. This is necessary since figuresare prepared for assembly groups and subassemblygroups, and listings are divided into the same groups.(2)Second. Find the figure covering theassembly group or subassembly group to which the itembelongs.(3)Third. Identify the item on the figure anduse the Figure and Item Number Index to find the NSN.b.When National Stock Number or Part Number isKnown.(1)First. Using the National Stock Number orPart Number Index, find the pertinent National StockNumber or Part Number. The NSN index is in NationalItem Identification Number (NIIN) sequence (see 4.a(1)).The part numbers in the Part Number index are listed inascending alphanumeric sequence (see 4.b). Bothindexes cross-reference you to the illustration figure anditem number of the item you are looking for.(2)Second. Turn to the figure and itemnumber, verify that the item is the one you’re looking for,then locate the item number in the repair parts list for thefigure.7.Abbreviations.AbbreviationsExplanationAVIMAviation Intermediate MaintenanceAVUMAviation Unit MaintenanceBOIBasis of IssueDSDirect SupportGSGeneral SupportMACMaintenance Allocation ChartMFDManufacturedNIINNational Item Identification Number(consists of the last 9 digits of the NSN)NSNNational Stock NumberRPSTLRepair Parts and Special Tools ListSMRSource, Maintenance, andRecoverabilityTMDETest, Measurement and DiagnosticEquipmentUMUnit MaintenanceUOCUsable on CodeA-5
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