Model: B40A

Wearing Ring

Special Features:

Three holes tapped no. 10-24 equally spaced on periphery

Properties:

Body Style
Grooved
Chamfer Length
0.062 inches inside right corner
Groove Depth
0.062 inches
Groove Width
0.094 inches
Overall Length
0.938 inches
Body Outside Diameter
Between 9.740 inches and 9.742 inches
Body Inside Diameter
Between 9.125 inches and 9.126 inches
Distance From End To Groove Center
0.188 inches
Groove Quantity
4
Corner Shape
Chamfered inside right corner
Corner Shape
Square inside left corner
Corner Shape
Square outside left corner
Corner Shape
Square outside right corner
Surface Finish
125.0 microinches all surfaces
Chamfer Angle
45.0 degrees inside right corner
Material
Copper alloy
NSN
4320-00-722-5268
Part Number
B40A
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 B40A NSN 4320-00-722-5268

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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