Aerospace series - Nut, hexagonal, self-locking, with counterbore and captive washer, in steel, cadmium plated, MoS2 lubricated - Classification: 1100 MPa (at ambient temperature) / 235 °C (Endorsed by Asociación Española de Normalización in January of 2024.)
Edition 2024-01-01

Captive C-washer
Edition 1999-11

Screws with coarse thread and reduced shank for captive applications
Edition 2013-08

Screw and washer assemblies with coarse thread - Part 5: With captive conical spring washer
Edition 2004-09

Aerospace series - Nuts, hexagonal, self-locking, with counterbore and captive washer, in heat resisting steel, silver plated - Classification: 1000 MPa (at ambient temperature)/425 °C; German and English version EN 3431:2007
Edition 2008-05

Aerospace series - Nuts, self-locking, hexagonal with captive washer, in heat resisting steel FE-PA2601 (A286), uncoated - Classification: 1100 MPa/425 °C; German and English version EN 3033:2008
Edition 2008-12

Aerospace - Nuts, hexagon with MJ thread, captive washer and counterbore, self-locking, corrosion-resistant steel - Class: 1 100 MPa/315 °C/425 °C; Text in German and English
Edition 2017-03

Aerospace series - Nuts, hexagonal, self-locking, with counterbore and captive washer, in heat resisting steel, MoS₂ lubricated - Classification: 1100 MPa (at ambient temperature)/315 °C; German and English version EN 2883:2009
Edition 2009-10

Aerospace series - Nut, hexagonal, self-locking, with counterbore and captive washer, in steel, cadmium plated, MoS₂ lubricated - Classification: 1100 MPa (at ambient temperature)/235 °C; German and English version EN 2882:2023
Edition 2024-03

Aerospace series - Nuts, self-locking, hexagonal, with captive washer - In heat resisting steel FE-PA92HT (A286), silver coated - Classification 1100 MPa/425 °C; German and English version EN 3034:2009 + AC:2011
Edition 2012-07