5340-00-058-2572 (320574-1)
NSN 5340-00-058-2572 (NIIN 00-058-2572) is a plain solid disk in Federal Supply Class 5340, Hardware, Commercial — a circular item with two parallel bearing surfaces without hole(s) or groove(s). Manufacturer part number 320574-1 (Naval Air Warfare Center Aircraft, CAGE 80020).
NIIN assigned January 1961; DEMIL A (none required); unit of issue EA (each), $4.97 gov standard price; export Schedule B 7220.90.0000; ships at 0.005 lb / 0.0003 cu ft.