National Item Identification Number
012876139
01-287-6139
1560-01-287-6139
1560012876139
National Stock Number
Item Name
RIB,STIFFENER,AIRCRAFT
Federal Supply Class
1560
Description
A vertical, relatively short, rib located in a fuselage, nacelle, pod, and the like. It follows the periphery and provides additional rigidity. It may join various components such as stringers, longerons, and the like. It is supplementary to the frames and blukheads. See also RIB (1), AIRFOIL.
Commercial and Government Entity Code (Supplier Data)
43999
Reference Numbers (Part Numbers)
L1800063-021
Required Categories
AIRCRAFT LOCATION
AIRCRAFT MISSION DESIGN SERIES
SPECIAL FEATURES
THE MANUFAC
Required Description
WING PANEL FLAP NO.5 INBD
B-1B
C/O 1 STUD,3 BUSHING,1 SEAL,1 RIB,1 INSERT
NHA