MSS SP-95-2018涵盖了碳钢和合金钢锻造（a）接头（公端异径接头）、NPS 1/8至NPS 12（DN 6至DN 300）和公塞（空心或实心公盖）、NPS 1/8至NPS 12（DN 6至DN 300）的尺寸、光洁度、公差、标记和材料。这些配件的端部采用螺纹、斜角、方形切割、凹槽或这些的任意组合。包括同心和偏心锻造接头。具有特殊尺寸的部分合规配件和由非标准材料制成的配件可以由制造商和买方之间的协议进行设计和制造，前提是它们按照第4.1（e）节中的部分合规配件要求进行标记。

MSS SP-95-2018 covers dimensions, finish, tolerances, marking, and material for carbon steel and alloy steel Swaged (a) Nipples (male-end reducing fittings), NPS 1/8 through NPS 12 (DN 6 through DN 300) and Bull Plugs (hollow or solid male closures), NPS 1/8 through NPS 12 (DN 6 through DN 300). These fittings are made with ends that are threaded, beveled, square cut, grooved, or any combination of these. Both concentric and eccentric Swaged Nipples are included.Partial Compliance Fittings Fittings with special dimensions and fittings made from non-standard materials may be designed and manufactured by agreement between the manufacturer and the purchaser, provided they are marked in accordance with the requirements for partial compliance fittings of Section 4.1(e).