Model: 31-1-199BG

Wearing Ring

Properties:

Counterbore Diameter
Between 3.562 inches and 3.563 inches
Counterbore Depth
0.531 inches
Groove Depth
0.094 inches
Groove Width
0.125 inches
Overall Length
1.125 inches
Body Outside Diameter
Between 4.021 inches and 4.023 inches
Body Inside Diameter
Between 3.248 inches and 3.249 inches
Groove Quantity
4
Corner Shape
Square all corners
Surface Finish
50.0 microinches all surfaces
Material
Copper alloy
NSN
4320-00-787-8820
Part Number
31-1-199BG
Description
Ring,wearing
CAGE
10941

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 31-1-199BG NSN 4320-00-787-8820

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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