5340-01-221-4618 (5002929)
NSN 5340-01-221-4618 (NIIN 01-221-4618) is a helical compression spring seat in Federal Supply Class 5340, Hardware, Commercial — a circular item, usually having a flat or grooved flange, boss(es), and/or counterbore, designed to accommodate the end of the spring. Manufacturer part number 5002929 (Lockheed Martin Corporation, CAGE 25500).
NIIN assigned November 1985; DEMIL A (none required); unit of issue EA (each), $200.72 gov standard price; ships at 0.2 lb / 0.0224 cu ft.