Model: AS4328K0420

Tube Reducer

Special Features:

Kc144c4-20; machined groove in flared ends to accommodate seal rings per kc103

Properties:

Thread Class
3a 2nd end
Thread Class
3a 1st end
Reducer Type
Concentric
Connection Style
Flared (tube) 1st end
Connection Style
Flared (tube) 2nd end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 2nd end
Thready Qty Per Inch (tpi)
12 2nd end
Thread Size
1.625 inches 2nd end
Thread Size
0.438 inches 1st end
Seat Angle
37.0 degrees 1st end
Seat Angle
37.0 degrees 2nd end
Criticality Code Justification
Feat
Outside Diameter Tube Accommodated
0.250 inches 1st end
Outside Diameter Tube Accommodated
1.250 inches 2nd end
Nominallength
2.564 inches
Material
Steel comp 316
Material Specification
Qq-s-763, cond a federal specification single material response
Surface Treatment
Passivate
Thread Series Designator
Un 2nd end
Thread Series Designator
Unf 1st end
NSN
4730-01-258-8433
Part Number
AS4328K0420
Description
Reducer,tube
CAGE
81343

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 AS4328K0420 NSN 4730-01-258-8433

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:
Y

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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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