5340-01-036-5409 (22840)
NSN 5340-01-036-5409 (NIIN 01-036-5409) 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 22840 (Eaton Aerospace LLC, CAGE 16780).
Key specs: 36 to 41 rockwell c material hardness; full characteristics table below. NIIN assigned February 1977; DEMIL A (none required); unit of issue EA (each), $183.06 gov standard price; ships at 0.01 lb / 0.001 cu ft.