National Item Identification Number

013780899
01-378-0899
1560-01-378-0899
1560013780899

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)

---

76301

---

---

Reference Numbers (Part Numbers)

74A731165-2001A

Required Categories

MATERIAL
AIRCRAFT MISSION DESIGN SERIES
SPECIAL FEATURES
III END ITEM IDENTIF

Required Description

ALUMINUM ALLOY 7075
F-18
MATERIAL SIZE 2.00 X 5.87 X 6.39;ALUMINUM 7075-T7351;