Model: 4971-4

Pipe Coupling

Properties:

Maximum Operating Temp
297.7 degrees celsius single response
Connection Style
Plain (pipe) all ends
Connection Type
Threaded external pipe all ends
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Nominallength
1.375 inches
Material
Steel body
Material Specification
Astma181, grade 2 assn standard single material response body
Surface Treatment
Zinc inside
Surface Treatment
Zinc outside
Surface Treatment Specification
Qq-z-325, type 2, class 2 federal specification single treatment response inside
Surface Treatment Specification
Qq-z-325, type 2, class 2 federal specification single treatment response outside
Style Designator
Plain
Thread Series Designator
Npt all ends
NSN
4730-01-036-3456
Part Number
4971-4
Description
Coupling,pipe
CAGE
82386

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

Part 4971-4 NSN 4730-01-036-3456

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06076
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: 7307992000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of iron or nonalloy steel

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