This specification covers a series of plastic and metal components and devices used for the tying and support of cable@ cable assemblies and wire in electrical@ electronic and communication equipment@ and in interconnection systems.Classification:Components for cable harness tying and support covered by this specification shall be of the following types and classes@ as specified (see 6.2): Type I - Strap@ Tie Down@ Adjustable@ Plastic Type II - Strap@ Tie Down@ Identification@ Adjustable@ PlasticType III - Clamp@ Loop@ Plastic@ Wire SupportType IV - Plastic Mounting Hardware for Type I and Type II StrapsType V - Clamp@ Loop@ Cushioned@ Metal@ Wire SupportType VI - Strap@ Tie Down@ Adjustable@ MetalClass 1 - Components which conform to all the requirements of this specification and the applicable MS standard@ or specification sheet.Class 2 - Components which conform to the material@ marking and performance requirements of this specification@ are replaceable by Class 1 components and@ where applicable@ installed with a tool recommended by the component manufacturer. Class 2 components shall be within the envelope dimensions of the replacement Class 1 components.?