Higher strength bolt compared to AN bolts. Strength 145-180 ksi, compared to 125 ksi for AN bolts. Close tolerance, good for shear applications. Low profile head, short thread.
High quality bolt. As described.
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.
Yes. The NAS1303 has been superceded to NAS6603. They meet the same dims and specifications per the tech data sheet.
NAS1303-5H has a drilled head, per the "H" in the part number. We do not stock a drilled head unit, but the unit without the drilled head is NAS6603-5, which we do stock and can ship right away.