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NAS1801-08-6
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| Thread | Length | NAS No. | Part No. |
|---|---|---|---|
| 8-32 | .375 | NAS1801-08-6 | 04-00685 |
Overview
|
• Phillips Hex Head • Alloy Steel per MIL-S-6049 • Finish - Cadmium per QQ-P-416 Type II • Tensile - 160,000 - 185,000 PSI |
 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
Reviews
I have substituted these NAS1801 hex cross head machine screws to replace the NAS623 pan cross head that I have used in the past given that all thread is OK and the screw is subject to frequent removal. Given the hex head of the NAS1801, I can use a socket to remove and tighten up the screw whereas with the pan head, one must use a Phillips screwdriver regardless. Tightening and loosening using the hex head means the cross recess remains intact and hence available for initial placement and final removal. Also given that the screw is all thread, then length is not as critical as with the long shank short thread length NAS623 machine screws.
My favorite screws because of the nutdriver or socket positive grip for tightening and loosening but can use a Phillips too. Strong too at 150,000 psi. Great screw.
Q&A
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.
