BS SP 164:1978

Foreword
Specification
Section one. General
1 Scope
2 References
3 Definitions
4 Symbols for fasteners
5 Stud head configurations
Section two. Design requirements
6 All turnlock fasteners
7 RQA and FQA fasteners: special design requirements
8 MSQA fasteners: special design requirements
Section three. Performance requirements
9 All turnlock fasteners
10 MSQA fasteners: special performance requirements
Section four. Quality assurance and product
                qualification testing requirements
11 Quality assurance
12 Product qualification testing
Section five. Product qualification tests
13 General
14 Initial tension and sheet separation
15 Operating torque loads
16 Tensile loads
17 Shear loads
18 Vibration
19 Axial slippage and staking breakout (MSQA fasteners
    only)
20 Resistance to corrosion
Section six. Preparation for delivery
21 Packaging
22 Labelling
Appendix
A Test schedule
Tables
1 Other tolerance and diameter difference
2 Performance requirements
Figures
1 Typical tension and torque specimen for MSQA
    fasteners
2 Typical tension and torque test rig for MSQA
    fasteners
3 Typical shear specimen and test rig for MSQA
    fasteners
4 Typical vibration and endurance specimens and test
    rig for MSQA fasteners
5 Typical vibration and endurance test rig for MSQA
    fasteners
6 Typical operation test rig for MSQA fasteners
7 Typical tensile load test rig for axial tensile test
    for RQA and FQA fasteners
8 Typical tensile load test rig for 15 degree offset
    tensile test for RQA and FQA fasteners
9 Insert plates for tension and endurance test
    specimens for RQA and FQA fasteners
10 Typical shear load test rig for RQA and FQA
    fasteners
11 Typical vibration test plates for RQA and FQA
    fasteners
12 Typical assembly of vibration test plates for RQA
    and FQA fasteners
13 Typical mounting of specimen for vibration test for
    RQA and FQA fasteners

Gives the design and performance requirements for stud-type, turnlock panel fasteners for use in aerospace applications where primary structural loads are not involved. Embraces single unit assembly fasteners of the rigid and floating receptacle types and multi-fastener strip receptacle assemblies. Covers definitions, symbols for fasteners and stud head configurations.

This specification stipulates the design and performance requirements for stud-type, turnlock panel fasteners for use in aerospace applications where primary structural loads are not involved. This specification embraces single unit assembly fasteners of the rigid and floating receptacle types and multi-fastener strip receptacle assemblies.