Model: 12889D18B

Wearing Ring

Special Features:

70-30 cu-ni mercury free; total of 8 holes on bolt circle: 3 ea 0.218in. Drill 0.375in. C-bore 0.22in. Dp, 1 ea 0.218in. Drill; 1.0in. Slo (flushing) top center, vent slot 40.0deg right and 10.Deg left of bottom center

Properties:

Body Style
Internal and external flange
Chamfer Length
0.125 inches outside left corner
Chamfer Length
0.250 inches inside left corner
Overall Length
0.734 inches
Bolt Circle Diameter
5.875 inches
Flange Diameter
6.937 inches
Body Outside Diameter
6.624 inches
Body Inside Diameter
5.419 inches
Left Side Flange Thickness
0.343 inches
Bolt Hole Quantity
4
End Application
Ingersoll rand centrifugal pump 10x20xbsx (asw pump)
Internal Flange Inside Diameter
5.190 inches
Internal Flange Width
0.331 inches
Corner Shape
Chamfered inside left corner
Corner Shape
Chamfered outside left corner
Corner Shape
Chamfered outside right corner
Corner Shape
Square inside right corner
Mounting Hole Thread Series Designator
Unc
Mounting Hole Thread Size
0.250 inches
Surface Finish
125.0 microinches outside
Chamfer Angle
30.0 degrees outside right corner
Chamfer Angle
45.0 degrees inside left corner
Chamfer Angle
45.0 degrees outside left corner
Material
Nickel alloy and copper alloy
Material Specification
Astm b171 c715 assn standard all material responses
Supplementary Features
Internal flange lip recessed
NSN
4320-01-383-5678
Part Number
12889D18B
Description
Ring,wearing
CAGE
88032

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 12889D18B NSN 4320-01-383-5678

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.9000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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