This standard specifies the characteristics of self-locking, floating, self-aligning barrel nuts, in heat resisting nickel alloy, MoS2 lubricated.Classification: 1 550 MPa 1) / 315 °C 2)
EN 4591:2005 history
2005EN 4591:2005 Aerospace series - Nuts, barrel, self-locking, floating, self- aligning, in heat resisting nickel base alloy, MoS2 lubricated - Classification: 1550 MPa (at ambient temperature) / 315 °C