Model: 55-22278-18

Wearing Ring

Special Features:

Groove on each side of xternal flange 0.062 in. W, 0.030 in. Deep

Properties:

Body Style
External locking flange
Overall Length
1.125 inches
Body Outside Diameter
7.999 inches
Body Inside Diameter
6.610 inches
End To Flange Distance
0.375 inches
Internal Flange Inside Diameter
6.500 inches
Internal Flange Width
0.125 inches
Center Flange Thickness
0.245 inches
Smallest External Anchor Flange Radius
4.094 inches
Largest External Anchor Flange Radius
4.250 inches
Distance Below Centerline
0.062 inches
Corner Shape
Square all corners
Material
Copper alloy
NSN
4320-00-212-9270
Part Number
55-22278-18
Description
Ring,wearing
CAGE
52081

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 55-22278-18 NSN 4320-00-212-9270

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:
6.1000lbs
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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