1560-00-121-3603 (151-52012)
NSN 1560-00-121-3603 (NIIN 00-121-3603) is a seal felt wool in Federal Supply Class 1560, Airframe Structural Components. Manufacturer part number 151-52012 (The Boeing Company, CAGE 43999).
NIIN assigned January 1960; DEMIL A (none required); export Schedule B 8803.30.0060; ships at 0.25 lb / 0.0013 cu ft.