Part No. | Old AN520R Dash No. | Dia. & Thread Size | Length (in.) |
---|---|---|---|
MS35207-279 | -416R8 | 1/4-28 | 1/2 |
These pan head machine screws have 55,000 psi minimum tensile strength and are cadmium plated to Specification QQ-P-416, Type 2, Class 3. Manufactured from carbon steel per Federal Standard #66. |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
Excellent
MS35207-279 Screw
Screws appear to be of good quality. The order was shipped and arrived promptly, and was filled accurately with the correct part numbers and quantities shipped. In all, excellent service.
The threads on 3 out of 10 the screws became galled on the first try to insert the screws. It would be better to run a thread tracer through the retainer prior to installing the new screws.
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.