Check Ball, Compatible with Grainger Part Number 1ZRZ4, 2CAP5, 2UV60, 2UV62, 4RN37, 5XA59, 5XA60, 5XA62, 5XA64, 5XA68, Compatible with Manufacturer Model Number 66605J-344, DAB05-SSTT-2-H, PD05P-AES-DTT-B, PD05P-ALS-KTT-B, PD05P-ARS-PTT-B, PD05P-ASS-STT, PD05R-AAS-STT-B, PD05R-ASS-STT-B, PD07P-APS-PTT, PD07R-AAS-PTT, Material PTFE, Product Type Check Ball, Compatible with Pump Type Diaphragm Pump, Compatible with Series Compact-Series, Compatible with Brand ARO