Model: 255255-2

Wearing Ring

Special Features:

Mtg holes counterbored 0.438 in. Diameter and 0.312 in. Deep

Properties:

Body Style
Plain
Overall Length
0.500 inches
Bolt Circle Diameter
3.250 inches
Body Outside Diameter
Between 4.000 inches and 4.001 inches
Body Inside Diameter
2.470 inches
Unthreaded Mounting Hole Diameter
0.281 inches
Bolt Hole Quantity
4
Corner Shape
Square all corners
Surface Finish
125.0 microinches all surfaces
Material
Copper alloy
Material Specification
Mil-b-16261, grade 3-canceled military specification single material response
NSN
4320-00-218-3322
Part Number
255255-2
Description
Ring,wearing
CAGE
93232

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 255255-2 NSN 4320-00-218-3322

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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