13P26JP-1 Plunger and Button Assembly Part Number: 13P26JP-1 OEM Part Number(s): 13P26-1 ATA Chapter: 75 Click on photo to enlarge. Eligibility / Aircraft PW4000, PW4000-100, PW4000-112, PW4000-94, PW4170 Assemblies 04P23-SERIES Log in to view pricing, ordering, and additional information. Associated Parts - NHA: 04P23-SERIES Part Number OEM PN Description In Stock 540-0230JP-1 540-0230-1 Poppet 540-1621JP-1 540-1621-1 Guide call for information 540-1624JP-1 540-1624-1 Poppet 540-1848JP-1 540-1848-1 Seat 540-0230JP-1Poppet 540-1621JP-1Guide 540-1624JP-1Poppet 540-1848JP-1Seat Submit a PMA Development Request