4310-00-720-4965 (5000S4902C841397REVBPC4)
NSN 4310-00-720-4965 (NIIN 00-720-4965) is a piston ring in Federal Supply Class 4310, Compressors And Vacuum Pumps — a circular, single or multipiece item, metallic or nonmetallic in composition. Manufacturer part number 5000S4902C841397REVBPC4 (Naval Ship Systems Command, CAGE 80064); also referenced as 20-120 (Hardie-Tynes Co., Inc.).
NIIN assigned January 1961; DEMIL A (none required); unit of issue EA (each), $582.08 gov standard price; export Schedule B 8414.90.2095.