TM  10-5411-205-13 APPENDIX  D EXPENDABLE/DURABLE   SUPPLIES   AND   MATERIALS   LIST Section  I.  INTRODUCTION D-1. SCOPE. This appendix lists expendable/durable supplies and materials you will need to operate and maintain the  S-250/G Unshielded and  S-250/G Shielded Shelters. These items are authorized to you by CTA 50-970, Expendable/Durable Items (Except Medical, Class V, Repair Parts, and Heraldic Itms), or CTA 8-100, Army Medical Department Expendable/Durable Items. D-2. EXPLANATION OF COLUMNS. a. Column (1) - Item number.  This number is assigned to the b . Column (2) - Level. This column identifies the lowest level requires the listed item. (Enter as applicable.) C - Operator O - Unit Maintenance F - Direct Support Maintenance H - General Support Maintenance entry in the listing. of maintenance that c  . Column (3) - National Stock Number. This is the National stock number assigned to the item, use it to request or requisition the item. d.  Column  (4) - Description. Indicates the Federal item name and, if required, a descrip- tion to identify the item.    The last line for each item indicates the Federal Supply Code for Manufacturer (FSCM) in parentheses followed by the part number. e . Column (5) - Unit of Measure (U/M. Indicates the measure used in performing the actual maintenance function. This measure is expressed by a two-character alphabetical abbreviation (e.g., ea, in, pr). If the unit of measure differs from the unit of issue, requisition the lowest unit of issue that will satisfy your requirements. 1 2 3 4 5 Secl (2) LEVEL F F F F F on  II.  EXPENDABLE  SUPPLIES  AND  MATERIALS  LIST (3) NATIONAL STOCK NUMBER 8415-00-634-5021 8040-00-222-9059 ( 4 ) DESCRIPTION Gloves, JJ-G-451 Caulking gun, 10-1/2”L x 3/8” Oval Tip Caulking cartridge blank) Epoxy resin, Epic R1003 Epoxy resin, Versamid 140 (5) U / M pr e a ea g l g l D-1