TM 9-4520-258-24PUNIT, DIRECT SUPPORT AND GENERAL SUPPORTMAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LISTSection I. INTRODUCTION1. SCOPE.This RPSTL lists and authorizes spares and repair parts; special tools; special test, measurement, anddiagnostic equipment (TMDE); and other special support equipment required for performance of unit, direct support andgeneral support maintenance of the Army Space Heaters (ASH), Model H120 and Model H120-1. It authorizes therequisitioning, issue and disposition of spares, repair parts and special tools as indicated by the source, maintenance andrecoverability (SMR) codes.2. GENERAL.In addition to this section, Introduction, this Repair Parts and Special Tools List is divided into thefollowing sections:a.SECTIONII.REPAIRPARTSLIST.A list of spares and repair parts authorized by this RPSTL for use in theperformance of maintenance. This list also includes pads which must be removed for replacement of the authorizedparts. Pats lists are composed o functional groups in ascending alphanumeric sequence, with the parts in each grouplisted in ascending figure and item number sequence. Bulk materials are listed in item name sequence. Items listed areshown on the associated Illustration(s) /(figure(s).b.SECTIONIII.SPECIALTOOLSLIST. A list of special tools, special TMDE, and other special support equipmentauthorized by this RPSTL (as indicated by Basic of Issue (BOI) information in DESCRIPTION AND USABLE ON CODEcolumn) for the performance of maintenance.c.SECTIONIV.CROSS-REFERENCESINDEXES. A list, in National ItemIdentification Number (NIIN) sequence,of all National stock numbered items appearing in the listing, followed by a list in alphanumeric sequence of all partnumbers appearing in the listings. National stock numbers and part numbers are cross-referenced to each illustrationfigure and item number appearance. The figure and item number index lists figure and item number in alphanumericsequence and cross-references NSN, CAGEC and par number.3. EXPLANATIONOFCOLUMNS(SECTIONSIIANDIII).a.ITEMNO.(Column(1)).Indicates the number used to identify items called out in the illustration.b.SMRCODE(Column(2)).The Source, Maintenance, and Recoverability (SMR) code is a 5-position codecontaining supply/requisitioning information, maintenance category authorization criteria, and disposition instruction, asshown in the following breakout:SourceMaintenanceRecoverabilityCodeCodeCode1st twoXXpositionsXXXX3rd position4th positionHow you getWho can install, replace,Who can do completeWho determinesan itemor use the itemrepair* on the itemdisposition action on anunserviceable item*Compete Repair Maintenance capacity, capability, and authority to perform al corrective maintenance tasks of the"Repair" function in a use/user environment in order to restore serviceability to a failed item.1
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