Model: NA31650AB

Tube Coupling Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Nut Style
Tube coupling
Nut Height
6.220 inches
End Application
Airlifter, aircraft c-17a.
Width Across Flats
6.220 inches
Smallest Inside Diameter
5.550 inches
Thread Series
Un
Thready Qty Per Inch (tpi)
12
Thread Size
5.875 inches
Tube Outside Diameter
5.000 inches
Material
Aluminum
Material Specification
Qq-a-225 federal specification single material response
Surface Treatment
Anodize
NSN
4730-01-419-1872
Part Number
NA31650AB
Description
Nut,tube Coupling
CAGE
08118

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

Part NA31650AB NSN 4730-01-419-1872

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03859
FIIG:
A021A0
Concept No.:
1
App. Key:
CX
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:
N
PMIC:
A
ESD:
ESD:
MMAC:
BA
CRITL:
X

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Schedule B and Export
  • Schedule B: 7609000000
  • SITC: 68427
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Aluminum tube or pipe fittings (couplings,elbows sleeves)

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