Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PSFS-37-BR-TE found under Indicator Sight Liquid by Kadant Johnson Inc. The National Stock Number assigned to this part is 6680011704759, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PSFS-37-BR-TE.