TM 10-8400-201-23 CHAPTER 2 MAINTENANCE OF UTILITY UNIFORMS Section I.  INTRODUCTION 2-1.  SCOPE This chapter provides instructions that cover the materials, methods, and procedures for repair and main- tenance of the utility shirt and trousers, durable press. 2-2.  COMMODITY SPECIFICATIONS a.  Items ITEM SPECIFICATION Shirt, Utility (Durable Press) OG-507 MIL-S-43929 Trousers, Utility (Durable Press) OG-507 MIL-T-43932 b.  Components. ITEM SPECIFICATION Button, Sewing Hole, and Button, Staple, V-B-871   Plastic Fasteners, Slide, Interlocking V-F-106 Thread, Cotton V-T-276 Thread, Cotton Gimp, Buttonhole V-T-280 Thread, Polyester V-T-285 Cloth, Twill, Polyester/Cotton (Durable MIL-C-43791   Press) Thread, Polyester, Cotton-covered MIL-T-43548 Tape, Textile, Cotton, General Purpose, MIL-T-43566   Natural or in Colors Cloth, Poplin, Cotton, for Heat Seal MIL-C-43667 (GL)   Patching 2-1