1、ICS 49.030.20 Ref. No. ISO 12256:2002/Cor.1:2009(E) ISO 2009 All rights reserved Published in Switzerland INTERNATIONAL STANDARD ISO 12256:2002 TECHNICAL CORRIGENDUM 1 Published 2009-11-15 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATIONAerospace Drives, in
2、ternal, cruciform, ribbed Metric series TECHNICAL CORRIGENDUM 1 Aronautique et espace Empreintes cruciformes, avec saillies antidrapantes Srie mtrique RECTIFICATIF TECHNIQUE 1 Technical Corrigendum 1 to ISO 12256:2002 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcom
3、mittee SC 4, Aerospace fastener systems. ISO 12256:2002/Cor.1:2009(E) 2 ISO 2009 All rights reservedPage 1, Clause 2, Normative references Replace the whole of Clause 2 with the following. 2 Normative references The following referenced documents are indispensable for the application of this documen
4、t. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3202, Aerospace Screws, pan head, internal offset cruciform ribbed or unribbed drive, threaded to head, MJ threads, metallic material
5、 coated or uncoated, strength classes less than or equal to 1 100 MPa Dimensions ISO 5856, Aerospace Screws, 100 degrees normal countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength clas
6、ses less than or equal to 1 100 MPa Dimensions ISO 7913, Aerospace Bolts and screws, metric Tolerances of form and position ISO 13921, Aerospace Screws, 100 degrees reduced countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic
7、 material, coated or uncoated, strength classes less than or equal to 1 100 MPa Dimensions Page 5, Table 3, table footnote Replace “ISO 1392” with “ISO 13921”. Page 7, Bibliography Replace the whole of the Bibliography with the following. Bibliography 1 ISO 1101, Geometrical Product Specifications (GPS) Geometrical tolerancing Tolerances of form, orientation, location and run-out 2 ISO 14280, Aerospace Drivers, ribbed, for internal cruciform ribbed or unribbed drives Metric series 3 ISO 14281, Aerospace Gauges, for internal cruciform ribbed or unribbed drives Metric series
