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All part numbers will follow this format: AN###. To further distinguish between the part numbers, you'll notice that a dash ("-") has been added, followed by some specific variation of more numbers. If there is an "A" after the dash, the part is cadmium plated, Type I, Class 3, with a drilled head. If there is NOT an "A" after the dash, the part is Cadmium plated, Type I.
AN500 (coarse thread) and AN501 (fine thread) slotted fillister head screws are fabricated from carbon steel. Tensile strength 55,000 PSI
AN502 (fine thread) and AN503 (coarse thread) drilled head, slotted fillister head screws are fabricated from steel meeting specification MIL-S-6050. Tensile strength 125,000 PSI. Cadmium plated, Type I Class 3.
WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. www.P65Warnings.ca.gov
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Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
We do not carry these in 1/8". It is not a very common size in aviation. The closest we have is a 6-32 threaded AN500 fillister head screw. A 6-32 threaded screw is approx. .138" diameter.