MJ threads
Aircraft components
Locknuts
Threaded fasteners
Approval testing
Internal-thread fasteners
Nuts
Metal coatings
Acceptance (approval)
Silver
Steels
Locking rings
Fasteners
Heat-resistant materials
Inspection
Link: BS EN 3299:2019 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
Source: BSI Standards
