Part Number: A-A-50473 (Oilers)Part Number: A-A-50474 (Oilers)Part Number: A-A-50492B (Oilers)Part Number: MIL-O-13417 (Oilers)Part Number: MIL-O-43345 (Oilers)Part Number: MIL-O-52724 (Oilers)Part Number: MIL-O-82042 (Oilers)Part Number: MS15761 (Oilers)Part Number: MS15762 (Oilers)Part Number: MS15763 (Oilers)Part Number: MS15764 (Oilers)Part Number: MS15765 (Oilers)Part Number: MS15766 (Oilers)