Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TLM1219F3HX16 found under Screw Cap Socket He by Twist Tite Mfg Inc. The National Stock Number assigned to this part is 5305016165523, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TLM1219F3HX16.