DIN EN 3721 : 1995 Title: Aerospace series - Nuts, bihexagonal, self-locking, deep counterbored, in heat resisting steel FE-PA92HT (A286), MoS<(Index)2> coated - Classification: 1100 MPa (at ambient temperature)/425 °C; German version EN 3721:1995 Year: 1995 Publisher: DIN Media GmbH Availability: Within 1-2 working days