ISO 9139 pdf download

ISO 9139 pdf download.Aerospace — Nuts, plain or slotted (castellated) — Procurement specification 1 Scope This International Standard specifies the required characteristics for metric plain or slotted (castellated) nuts, with MJ threads according to ISO 5855-2, for use in aerospace construction. It is applicable to nuts as defined above, provided that reference is made to this International Standard in the relevant definition document. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 1 463:1 982, Metallic and oxide coatings — Measurement of coating thickness — Microscopical method . ISO 2859-1 :1 989, Sampling procedures for inspection by attributes — Part 1 : Sampling plans indexed by acceptable quality level (AQL) for lot-by-lot inspection . ISO 3452:1 984, Non-destructive testing — Penetrant inspection — General principles . ISO 3887:1 976, Steel, non-alloy and low-alloy — Determination of depth of decarburization . ISO 4288:1 996, Geometrical Product Specifications (GPS) — Surface texture: Profile method — Rules and procedures for the assessment of surface texture. ISO 5855-2:1 988, Aerospace — MJ threads — Limit dimensions for bolts and nuts . ISO 7870:1 993, Control charts — General guide and introduction. ISO 7966:1 993, Acceptance control charts. ISO 8258:1 991 , Shewhart control charts. ISO 8788:1 987, Aerospace — Fasteners — Tolerances of form and position for nuts . ISO 9002:1 994, Quality systems — Model for quality assurance in production, installation and servicing . 3 Terms and definitions For the purposes of this International Standard, the following terms and definitions apply. 3.1 definition document document specifying all the requirements for nuts, i.e.: – metallurgical; – geometrical and dimensional; – functional (strength and temperature classes) NOTE The definition document may be an International Standard, a national standard, an in-house standard or drawing. 3.2 finished nut nut ready for use, inclusive of any possible treatments and/or surface coatings, as specified in the definition document 3.3 batch definite quantity of some commodity manufactured or produced...