Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PLR-V43-6 ITEM 25 found under Flange Bellows by Johnson Controls Ltd. The National Stock Number assigned to this part is 4820012016717, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PLR-V43-6 ITEM 25.