Model: US4-4

Tube Coupling

Properties:

Thread Class
2a 1st end
Connection Style
Flared (tube) 1st end
Connection Style
Socket (tube) 2nd end
Connection Type
Threaded external tube 1st end
Connection Type
Unthreaded internal tube 2nd end
Thread Size
0.437 inches 1st end
Seat Angle
45.0 degrees 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Outside Diameter Tube Accommodated
0.250 inches 2nd end
Tubing Wall Thickness For Which Designed
0.016 inches 2nd end
Nominallength
1.500 inches
Material
Copper alloy
Style Designator
Rigid, short center wrenching facility
Thread Series Designator
Unf 1st end
NSN
4730-01-132-4138
Part Number
US4-4
Description
Coupling,tube
CAGE
30327

A straight fitting 12 inches (304 mm) long or under having the same or different type of connection of the same size on both ends. It is designed to join a tube or tube fitting to another tube or tube fitting. Excludes fittings with threaded external connections on both ends. Excludes nipple, pipe.

Part US4-4 NSN 4730-01-132-4138

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06078
FIIG:
A080B0
Concept No.:
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:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7412200000
  • SITC: 68272
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Copper alloy tube or pipe fittings

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