Model: 4320-218-3773

Wearing Ring

Special Features:

Mtg holes counterbored 0.438in.Dia and 0.281 in. Deep

Properties:

Body Style

External flange

Overall Length

0.625 inches

Bolt Circle Diameter

5.250 inches

Flange Diameter

5.875 inches

Body Outside Diameter

Between 4.623 inches and 4.624 inches

Body Inside Diameter

4.220 inches

Left Side Flange Thickness

0.375 inches

Unthreaded Mounting Hole Diameter

0.281 inches

Bolt Hole Quantity

Corner Shape

Square all corners

Surface Finish

125.0 microinches all surfaces

Material

Copper alloy

Material Specification

Mil-b-16261, gr 3 military specification single material response

NSN

4320-00-218-3773

Part Number

4320-218-3773

Description

Ring,wearing

CAGE

03950

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 4320-218-3773 NSN 4320-00-218-3773

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:

0.1000lbs

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