Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16981-3 found under Accumulator Pneumat by F M H Corporation. The National Stock Number assigned to this part is 3040014990583, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 16981-3.