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:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

128000

UFC:

64870

LTL:

85.0

LCL:

WCC:

594

TCC:

SHC:

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