Aerospace series - Shaft-nuts, self-locking, left-hand thread, in heat resisting steel FE-PA92HT (A286), silver plated (Endorsed by AENOR in June of 2008.)
Edition 2008-06-01

Aerospace series - Rings, threaded, self-locking, left-hand thread, in heat resisting steel FE-PA92HT (A286), silver plated (Endorsed by AENOR in June of 2008.)
Edition 2008-06-01

Aerospace series - Shaft-nuts and threaded rings, self-locking, right- or left-hand MJ threads, in heat resisting steel FE-PA2601 (A286), silver plated - Technical specification (Endorsed by Asociación Española de Normalización in August of 2019.)
Edition 2019-08-01

Aerospace series - Nuts, hexagonal, plain, reduced height, normal across flats, in steel, cadmium plated, left hand thread - Classification: 900 MPa (at ambient temperature) / 235 °C (Endorsed by AENOR in January of 2010.)
Edition 2010-01-01

Aerospace series - Nuts, hexagonal, plain, normal height, normal across flats, in steel, cadmium plated, left hand thread - Classification: 1100 MPa (at ambient temperature) / 235 °C (Endorsed by AENOR in April of 2010.)
Edition 2010-04-01

Aerospace series - Nuts, hexagon, plain, reduced height, reduced across flats, in heat resisting steel, silver plated, left hand thread - Classification: 600 MPa (at ambient temperature) / 425 °C (Endorsed by Asociación Española de Normalización in May of 2019.)
Edition 2019-05-01

RECIPROCATING INTERNAL COMBUSTION ENGINES. DESIGNATION OF THE DIRECTION OF ROTATION AND OF CYLINDERS AND VALVES IN CYLINDER HEADS, AND DEFINITION OF RIGHT-HAND AND LEFT-HAND IN-LINE ENGINES AND LOCATION ON AN ENGINE.
Edition 1992-09-21

Aerospace series - Shaft-nuts, self-locking, left-hand thread, in heat resisting steel FE-PA92HT (A286), silver plated; German and English version EN 3728:2008
Edition 2008-12

Aerospace series - Rings, threaded, self-locking, left-hand thread, in heat resisting steel FE-PA92HT (A286), silver plated; German and English version EN 3729:2008
Edition 2008-12

Aerospace series - Shaft-nuts and threaded rings, self-locking, right- or left-hand MJ threads, in heat resisting steel FE-PA2601 (A286), silver plated - Technical specification; German and English version EN 3299:2019
Edition 2019-12