4330-01-151-4511 (0111020)
NSN 4330-01-151-4511 (NIIN 01-151-4511) is an exhaust-intake pneumatic muffler in Federal Supply Class 4330, Centrifugals, Separators, And Pressure And Vacuum Filters — a noise control/filtering device of various sizes, shapes, designs. Manufacturer part number 0111020 (Allied Witan Co, CAGE 99016); also referenced as M20 (Allied Witan Co).
NIIN assigned April 1983; DEMIL A (none required); unit of issue EA (each), $59.79 gov standard price; export Schedule B 8487.90.0080; ships at 4.851 lb / 0.5025 cu ft.