Model: R439PC4-0

Wearing Ring

Special Features:

Groove 0.188 in. W, 0.128 in. Deep, o-ring furnished

Properties:

Body Style
Internal flange w/external locking flange
Overall Length
1.065 inches
Body Outside Diameter
4.149 inches
Body Inside Diameter
3.475 inches
Left Side Flange Thickness
0.141 inches
Right Side Flange Thickness
0.184 inches
Distance Between Flanges
0.495 inches
End To Flange Distance
0.900 inches
Internal Flange Inside Diameter
0.274 inches
Internal Flange Outside Diameter
3.110 inches
Internal Flange Width
2.759 inches
Internal Flange Lip Width
0.250 inches
Smallest External Anchor Flange Radius
1.821 inches
Largest External Anchor Flange Radius
2.105 inches
Distance Below Centerline
0.180 inches
Distance From End
0.408 inches
Corner Shape
Square all corners
Material
Copper alloy
NSN
4320-00-534-5276
Part Number
R439PC4-0
Description
Ring,wearing
CAGE
63857

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

Part R439PC4-0 NSN 4320-00-534-5276

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22534
FIIG:
A19900
Concept No.:
App. Key:
A
Cond. Code:
2
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: 8413919520
  • SITC: 74291
  • End Use: Industrial engines
  • NAICS: 333911
  • USDA: 1

Freight Class: Parts, nesoi, of pumps for liquids

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