
Aerospace. Nuts, plain or slotted (castellated). Procurement specification.
STANDARD published on 2.6.2026
Designation standards: BS ISO 9139:2026
Publication date standards: 2.6.2026
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 539 29219 0 Status: Definitive