4720-00-595-1719 (FLEXKING-DC6IN)
NSN 4720-00-595-1719 (NIIN 00-595-1719) is an air duct hose in Federal Supply Class 4720, Hose And Flexible Tubing — a flexible, tubular item of light wall construction. Manufacturer part number FLEXKING-DC6IN (Hbd Industries, Inc, CAGE 21868); also referenced as CWC-6, CWC6-00ID, CWC6INID (Flexaust Inc); 1698AS135 (Naval Air Systems Command Managed); 2CN-6IN (Dura-Vent Corp).
Key specs: 13 psi maximum operating pressure; full characteristics table below. NIIN assigned January 1975; DEMIL A (none required); unit of issue FT (foot), $5.71 gov standard price; export Schedule B 7312.10.5500; ships at 1.2 lb / 0.2713 cu ft.