Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 130-0-001 REV A ITEM NO.4 found under Nrp Coupling by Maritime Applied Physics Corporation. The National Stock Number assigned to this part is 3040016040783, 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 130-0-001 REV A ITEM NO.4.