Model: 4R8-316

Tube Reducer

Properties:

Thread Class
2a 1st end
Reducer Type
Concentric
Connection Style
Flareless (tube) 1st end
Connection Style
Plain (tube) 2nd end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 2nd end
Thread Size
0.438 inches 1st end
Seat Angle
20.0 degrees 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Outside Diameter Tube Accommodated
0.500 inches 2nd end
Nominallength
1.828 inches
Material
Steel comp 316 body
Material
Steel comp 316 nut
Material Specification
Astm a276 uns s31600 assn standard single material response body
Material Specification
Astm a276 uns s31600 assn standard single material response nut
Media For Which Designed
Fluid single response
Thread Series Designator
Unf 1st end
Furnished Items And Quantity
1 nut with sleeve
NSN
4730-01-270-1010
Part Number
4R8-316
Description
Reducer,tube
CAGE
28968

A straight tube fitting having a different size connection on each end. It is designed to join two tubes of different sizes. Excludes bushing (as modified).

Part 4R8-316 NSN 4730-01-270-1010

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08506
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: 7307994000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of alloy steel not stainless

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