Model: U3442-1

Wearing Ring

Properties:

Body Style
Plain
Chamfer Length
0.125 inches outside right corner
Overall Length
0.875 inches
Body Outside Diameter
Between 4.376 inches and 4.377 inches
Body Inside Diameter
3.812 inches
Corner Shape
Chamfered outside right corner
Corner Shape
Square inside right corner
Corner Shape
Square inside left corner
Corner Shape
Square outside left corner
Surface Finish
125.0 microinches all surfaces
Chamfer Angle
45.0 degrees outside right corner
Material
Copper alloy
Material Specification
Mil-b-16261, grade 2-canceled military specification single material response
NSN
4320-00-289-3659
Part Number
U3442-1
Description
Ring,wearing
CAGE
92392

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 U3442-1 NSN 4320-00-289-3659

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
128000
UFC:
64870
LTL:
85.0
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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