BS 2F 121:1989

Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. General requirements
4. Designation
5. Materials
6. Finished fasteners
7. Chain
8. Sliders
9. Bottom stops
10. Top stops
11. Open-end fittings
12. Quick release fittings
13. Tape extensions and terminations
14. Length of fasteners
15. Finish of metallic fittings
16. Performance
17. Inspection of finished fasteners
18. Identification
Appendices
A. Information to be supplied by the purchaser
B. Method for determination of tensile strength of
     slider
C. Method for determination of security of attachment
     of end fittings
D. Method for determination of lateral breaking
     strength of meshed chain
E. Method for determination of lateral breaking
     strength of open-end fittings
F. Method for determination of resistance of stringer
     bottom end fittings to treatment in sodium hydroxide
     solution
G. Method for determination of resistance of adhesive
     to dry cleaning
Tables
1. General requirements (given in British Standard F100)
2. Designation
3. Materials for metallic fittings
4. Performance
Figure
1. Apparatus for determination of lateral breaking
     strength of open-end fittings

Gives requirements for two designations of metallic slide fasteners for aerospace purposes. Includes information to be supplied by the purchaser, method for determination of tensile strength of slider, security of attachment of end fittings, lateral breaking strength of meshed chain, lateral breaking strength of open-end fittings, resistance of stringer bottom end fittings to treatment in sodium hydroxide solution and resistance of adhesive to dry cleaning.