National Item Identification Number

011909782
01-190-9782
1560-01-190-9782
1560011909782

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)

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82918

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Reference Numbers (Part Numbers)

5-83978-504

Required Categories

AIRCRAFT LOCATION
AIRCRAFT MISSION DESIGN SERIES
OVERALL LENGTH
OVERALL WIDTH

Required Description

RIB,SPOILER
B-52
22.240 INCHES NOMINAL
2.3000 INCHES NOMINAL
2.330 INCHES NO