Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 437 24 found under Bearing Roller Needle by Hamilton Sundstrand Corporation. The National Stock Number assigned to this part is 3110001125878, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 437 24.