KIT, VALVE REPAIR: TYPE OVERHAULING, APPLICATION PRESSURE & RELIEF VALVE, FFT: COSIST OF: SEAL GUIDE, MATERIAL: KALREZ, POS NO: 11; SEAL DISC, MATERIAL: KALREZ, POS NO: 16; RING BACKUP, MATERIAL: PTFE, POS NO: 17; SEAT, MATERIAL: KALREZ, POS NO: 4, Mnfr: FUKUI SEISAKUSHO CO. LTD. Mnfr Part No: UNK, Drawing 95TD-925A-011B Rev: 0, For Tag/Equip No: 51-PSV-08A/B/C/D, 51-PSV-16A/B, Equip Serial No: 624251; 624414/15/16; 624411/12, Equip Model No: RPD 361-77 (A)