Wire

Lockwire / Safety Wire

Lockwire, also known as safety wire, prevents fasteners from loosening in high-vibration aerospace, defense, motorsport, marine, and industrial assemblies. American Wire Works stocks alloy-specific lock wire plus military-spec MS and NASM items so buyers can order by the exact specification their drawing calls out.

Decoding MS20995 / NASM20995 suffixes? Our spec reference explains alloy codes, diameter tables, and how to read a lockwire part number.

Spec reference
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NameSpecDiameterActions
NASM / MS20995AB20 / QQ-A-430C.020"
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NASM / MS20995CY / QQ-P-416 / A-A-59551.010" - .025"
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NASM / MS20995F / ASTM A641.020" - .047"
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NASM / MS20995N / ASTM B166.020" - .051"
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NASM / MS20995NC / ASTM B164.020" - .093"
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MS20995C20.020"
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MS20995C25.025"
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MS20995C32.032"
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MS20995C41.041"
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MS20995C.010" - .091"
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MS20995CY20.020"
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MS20995N20.020"
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MS20995N32.032"
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NASM / MS9226 / AMS 5687.025" - .062"
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MS20995NC20.020"
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MS20995NC32.032"
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MS9226-03.025"
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MS9226-04.032"
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MS20995C47.047"
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MS9226-01.016"
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MS9226-02.020"
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MS20995CY15.015"
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MS20995N40.040"
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MS20995NC62.062"
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MS20995C22.022"
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MS20995N51.051"
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MS9226-07.063"
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MS20995NC40.040"
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MS20995NC51.051"
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MS20995C51.051"
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MS20995AB20.020"
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MS20995C15.015"
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MS20995CY16.016"
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MS20995F41.041"
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MS20995NC93.093"
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MS20995F20.020"
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MS20995NC25.025"
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MS20995F32.032"
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MS20995C91.091"
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MS20995C26.026"
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MS20995F47.047"
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MS20995C40.040"
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