Specification for nuts, plain and slotted (unified hexagons and unified threads) for shear bolts for aircraft in corrosion-resisting steel1 Scope This British Standard specifies the materials, dimensions, finish and inspection requirements for corrosion resisting steel nuts with unified hexagons and unified threads for use with shear bolts for aircraft. It makes provision for ranges of plain and slotted nuts.

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This European Standard describes two test methods on abrasion resistance of materials using the same abrasion apparatus

All the terms and definitions relating to this International Standard have been updated

BS EN 1497 specifies requirements

Note: BS 7350 does not cover methods of installation

The principal changes are the addition of clauses on the provision of information on the safe and effective use of the device (5

The procedure specifies a number of sampling methods for different applications

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