Maintenance Repair Kit, Product Type Repair Kit, Includes Not Applicable, Compatible Grainger Part Number 22UP55, 22UP56, 3KP13, Compatible Mfr Part Number 28202, 28230, 28231, 5165EX, Gasket Material Aeroprene, Overall Diameter Not Applicable, Series Aerosolv(R), Kit Contents (3) Bridge Pins, Angled Puncture Pin with O-Rings, Gasket, Spring, Tube of Grease, Standards EPA 40 CFR 261.23(a)(6)