Model: 426304

Tube Coupling Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Nut Style
Tube coupling
Nut Height
Between 1.010 inches and 1.030 inches
Width Across Flats
Between 0.990 inches and 1.002 inches
Length To Shoulder
Between 0.830 inches and 0.850 inches
Smallest Inside Diameter
Between 0.614 inches and 0.620 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
14
Thread Size
0.875 inches
Tube Outside Diameter
0.625 inches
Seat Angle
25.00 degrees
Material
Aluminum alloy 2024
Material Specification
Ams 4120 assn standard single material response
NSN
4730-00-878-9455
Part Number
426304
Description
Nut,tube Coupling
CAGE
77445

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 426304 NSN 4730-00-878-9455

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:
U
ESD:
ESD:
MMAC:
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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