5430-01-306-1524 (VC040017B)
NSN 5430-01-306-1524 (NIIN 01-306-1524) is a ventilation-exhau flame arrester in Federal Supply Class 5430, Storage Tanks — a device used to prevent passage of flame through a ventilating duct while air is flowing. Manufacturer part number VC040017B (Haywardindl. Products, Inc., CAGE 73124); also referenced as VC 250 4IN ITEM 6 (Haywardindl. Products, Inc.).
NIIN assigned August 1989; DEMIL A (none required); unit of issue EA (each), $80.56 gov standard price.