BS-EN-4116 Complete Document History
Aerospace series. Nuts, hexagonal, self-locking, in heat resisting steel FE-PA2601 (A286), silver plated on thread. Classification: 1100 MPa (at ambient temperature) / 425C

Complete Current Edition:
   2004 EDITION - Nuts, hexagonal, self-locking, in heat resisting steel - Dec. 16, 2004

Obsolete Revision Information:
   2003 EDITION - PLATED ON THREAD, CLASSIFICATI - Feb. 10, 2003