5330-00-074-0758 (7580-1)
NSN 5330-00-074-0758 (NIIN 00-074-0758) is a wiper ring in Federal Supply Class 5330, Packing And Gasket Materials — a circular, single or multipiece, rigid, metallic or nonmetallic item having a centrally located hole with a sharp edge on the inside periphery. Manufacturer part number 7580-1; also referenced as A304 (Curtiss-Wright Flow Control); 7580-1 3-4 (Strohmeyer, Julie A.).
NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $21.30 gov standard price; export Schedule B 8412.90.9005.