HomeHPLC Replacement PartsPEEK™ Male Nut, 5/pkPEEK™ Male Nut, 5/pk PEEK™ Male Nut, 5/pk Add to quote This product is already in your quote request list. Browse the list Description Description Reference WB286 OEM Part 228-18565-84, Old # 228-18565-00 Models: SIL-10A, SIL-10Ai, SIL-10AXL, SIL-10ADvp, SIL-20 A/C, SIL-20ACHT, SIL-20A/CXR