4720-00-469-3186 (744221-1)
NSN 4720-00-469-3186 (NIIN 00-469-3186) is a warm air inlet duct in Federal Supply Class 4720, Hose And Flexible Tubing. Manufacturer part number 744221-1 (Hamilton Sundstrand Corporation, CAGE 73030).
NIIN assigned May 1971; DEMIL A (none required); unit of issue EA (each), $183.30 gov standard price.