Model: 255278-05

Wearing Ring

Special Features:

Mtg holes counterbored 0.406 in. Diameter and0.250 in. Deep

Properties:

Body Style
Internal and external flange
Chamfer Length
0.125 inches inside right corner
Overall Length
1.125 inches
Bolt Circle Diameter
5.290 inches
Flange Diameter
5.845 inches
Body Outside Diameter
Between 4.624 inches and 4.625 inches
Body Inside Diameter
4.095 inches
Corner Radius
0.312 inches inside left corner
Left Side Flange Thickness
0.375 inches
Unthreaded Mounting Hole Diameter
0.281 inches
Bolt Hole Quantity
6
Internal Flange Inside Diameter
2.875 inches
Internal Flange Width
0.313 inches
Corner Shape
Chamfered inside right corner
Corner Shape
Round inside left corner
Corner Shape
Square outside left corner
Corner Shape
Square outside right corner
Chamfer Angle
45.0 degrees inside right corner
Material
Copper alloy
Material Specification
Mil-b-16261, gr 4 military specification single material response
NSN
4320-00-218-3487
Part Number
255278-05
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 255278-05 NSN 4320-00-218-3487

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:
--
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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