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BSi – The company, BSI British Standards, is a national standards body of the United Kingdom (NBS) and it was actually the very first one in the world. It represents national and social interests of Great Britain in all European and international standardization organizations and in the development of business information of British institutions of all sizes and sectors. BSI British Standards cooperates with manufacturing and service industries, various companies, the government and with consumers as well in order to facilitate the production of British, European and international standards. A part of BSI Group, BSI British Standards, works closely with the government of the United Kingdom, especially in the Department for Innovations, Universities and Skills (DIUS).
Specification for oro-nasal oxygen mask assemblies for use in demand systems.
WITHDRAWN published on 31.8.1990
Selected format:Specification for general requirements for construction and performance of airborne chemical oxygen generators.
WITHDRAWN published on 31.5.1989
Selected format:Specification for gaseous breathing oxygen supplied for airborne application.
WITHDRAWN published on 28.9.1990
Selected format:Specification for phenolic mouldings for aeronautical purposes.
WITHDRAWN published on 31.1.1966
Selected format:Specification for aircraft material. Nickel-chromium-tungsten valve steel.
WITHDRAWN published on 31.1.1964
Selected format:Specification for aircraft material. Semi-free cutting carbon steel, bright bars for machining (40-50 tonf/sq in: maximum size 1/2 inch diameter or minor sectional dimension) (primarily intended for the manufacture of nuts).
WITHDRAWN published on 31.1.1964
Selected format:Specification for aircraft material. ´40´ carbon steel bright bars for machining (45-55 tonf/sq in: limiting ruling section 1 inch) (primarily intended for the manufacture of nuts).
WITHDRAWN published on 31.1.1964
Selected format:Specification for aircraft material. Manganese-molybdenum steel (55/65 tonf/sq in: limiting ruling section 21/2 inches).
WITHDRAWN published on 8.6.1964
Selected format:Specification for aircraft material. ´40´ carbon steel bright bars for machining (55-65 tonf/sq in: limiting ruling section 3/4 inch) (primarily intended for the manufacture of machined bolts).
WITHDRAWN published on 31.1.1964
Selected format:Specification for aircraft material. 1 per cent chromium steel (55/65 tonf/sq in: limiting ruling section 11/8 inch).
WITHDRAWN published on 31.1.1964
Selected format:Latest update: 2026-06-26 (Number of items: 2 284 409)
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