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Homepage>BS Standards>49 AIRCRAFT AND SPACE VEHICLE ENGINEERING>49.030 Fasteners for aerospace construction>49.030.30 Nuts>BS A 275-A 280:1981+A2:2011 Specification for hexagon self-locking nuts with non-metallic locking inserts. Metric series
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immediate downloadReleased: 2011-01-31
BS A 275-A 280:1981+A2:2011 Specification for hexagon self-locking nuts with non-metallic locking inserts. Metric series

BS A 275-A 280:1981+A2:2011

Specification for hexagon self-locking nuts with non-metallic locking inserts. Metric series

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Standard number:BS A 275-A 280:1981+A2:2011
Pages:16
Released:2011-01-31
ISBN:978 0 580 72746 7
Status:Standard
DESCRIPTION

BS A 275-A 280:1981+A2:2011


This standard BS A 275-A 280:1981+A2:2011 Specification for hexagon self-locking nuts with non-metallic locking inserts. Metric series is classified in these ICS categories:
  • 49.030.30 Nuts

These British Standards specify materials, dimensions, protective treatment, identification and marking, together with part numbers for hexagon (thick) self-locking nuts, with non-metallic inserts and having MJ screw threads.

They are primarily intended for use on non-structual aerospace applications and have operational temperature limitations of −40 °C to +120 °C.

Coarse thread series for size codes 080, 100 and 120 have been included in Appendix A for those users wishing to specify them.