Model: R-397

Wearing Ring

Properties:

Body Style
Plain w/internal flange
Chamfer Length
0.062 inches outside right corner
Overall Length
0.625 inches
Body Outside Diameter
Between 3.626 inches and 3.627 inches
Body Inside Diameter
Between 3.235 inches and 3.237 inches
Internal Flange Inside Diameter
2.875 inches
Internal Flange Width
0.125 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 3-canceled military specification single material response
NSN
4320-00-289-4443
Part Number
R-397
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 R-397 NSN 4320-00-289-4443

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.6000lbs
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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