BS SP 54:1953 Specification for swaged cable-end assemblies (B.A. and B.S.F. threads) for preformed non-corrodible steel wire rope for aircraft (suitable for use with British Standard W.11 wire rope)
This British Standard specifies the fittings, requirements and coding for aircraft swaged cable-end assemblies on preformed non-corrodible steel wire rope complying with the requirements of British Standard W. 11.
Requirements for the locking of the assemblies are not covered by this British Standard. For this information reference should be made to the relevant publications of the appropriate airworthiness authority.
The fittings comprising the assemblies, and turnbarrels and tension rods for use with them, are covered by British Standards in the aircraft series as follows:—
British Standard
Fittings No.
Turnbarrels ...... SP. 33
Screwed ends...... SP. 34
Tension rods...... SP. 35
Tapped ends...... SP. 36
Eye ends...... SP. 37
Fork ends...... SP. 38
British Studard
Fittings No.
Eye ends for chain... SP. 39
Ball ends—
with shank... SP. 49
without shanks... SP. 50
Identification tags... SP. 51 and 52
BS SP 54:1953 history
1953BS SP 54:1953 Specification for swaged cable-end assemblies (B.A. and B.S.F. threads) for preformed non-corrodible steel wire rope for aircraft (suitable for use with British Standard W.11 wire rope)