Model: 5-83978-503

Aircraft Stiffener Rib

Special Features:

Made from 5-83972 or 145-t6 forged block; opp -504; nha 5-71861

Properties:

Overall Length
22.240 inches
Overall Width
2.300 inches
Material Thickness
2.330 inches
Aircraft Location
Spoiler hinge rib
Aircraft Mission Design Series
B-52
Material
Aluminum alloy
Material Specification
Qq-a-367, comp 5, class 2, or 4, finish f-2.30 federal specification single material response
NSN
1560-01-190-4923
Part Number
5-83978-503
Description
Rib,stiffener,aircraft
CAGE
82918

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.

Part 5-83978-503 NSN 1560-01-190-4923

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
41027
FIIG:
A11400
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
FG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
011760
UFC:
04705
LTL:
200.0
LCL:
--
WCC:
671
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8803909060
  • SITC: 79297
  • End Use: Parts for military-type goods
  • NAICS: 336419
  • USDA: 1

Freight Class: Other parts, nesoi, for use in other military aircraft, spacecraft and spacecraft launch vehicles (excluding parts of communication satellites)

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