NSN 4320-01-506-8326

Wearing Ring

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

015068326

Pricing & Availability Check

Submit this form for stock availability and pricing.

Inventory

This product may be available in the following quantities and conditions.

NS: 1

Please note that inventory for this NSN was updated 08/06/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "RING,WEARING"

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.

4320-01-506-8326 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

AAQL

Body Style

Internal flange

MRC:

AAZP

Chamfer Length

0.090 inches outside right corner and 0.150 inches outside right corner

MRC:

ABHP

Overall Length

Between 1.350 inches and 1.410 inches

MRC:

ADAR

Body Outside Diameter

Between 6.753 inches and 6.754 inches

MRC:

ADAS

Body Inside Diameter

Between 6.270 inches and 6.272 inches

MRC:

ADNU

Corner Radius

0.220 inches inside right corner and 0.280 inches inside right corner

MRC:

AGAV

End Application

USED-ON-930-16C4

MRC:

AJFM

End To Flange Distance

0.940 inches

MRC:

AYRE

Internal Flange Inside Diameter

Between 5.470 inches and 5.530 inches

MRC:

AYRF

Internal Flange Outside Diameter

Between 5.590 inches and 5.650 inches

MRC:

AYRG

Internal Flange Width

Between 0.410 inches and 0.470 inches

MRC:

AYRH

Internal Flange Lip Width

0.250 inches

MRC:

BZLX

Corner Shape

Square outside left corner

MRC:

CSYM

Surface Finish

125.0 microinches right face

MRC:

CSYT

Chamfer Angle

14.0 degrees outside right corner and 16.0 degrees outside right corner

MRC:

FEAT

Special Features

Part name assigned by controlling agency is wear ring

MRC:

MATT

Material

Copper alloy 836

MRC:

MDCL

Material Specification

Astm b584 assn standard single material response or sae j461 assn standard single material response

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number

Cage

RNCC

RNVC

DAC

RNAAC

Status

MSDS

SADC

Part Number:

540414000

Cage Code:

25567

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

93016K4105

Cage Code:

25567

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Indicates a design/source control reference item

Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22534

FIIG:

A19900

Concept No.:

App. Key:

Cond. Code:

Status:

Special material and handling

HMIC

PMIC

ESD

ENAC

ADPE

CRITL

HMIC:

PMIC:

ESD:

ADPE:

CRITL:

Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) A

Item does not contain precious metal.

Electrostatic Discharge (ESD) A

No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.

ADPE 0

Represents items with no adp components

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Import and Export

Schedule B

NAIC

End Use

SITC

USDA

HITECH

Schedule B:

8413919520

NAICS:

333911

End Use Class:

21100

SITC:

74291

USDA:

HITECH:

Schedule B Codes Definitions:

Schedule B 8413919520

Parts, Nesoi, Of Pumps For Liquids

End Use Code 21100

Industrial Engines

Standard Intl. Trade Class (SITC) 74291

Parts Of Pumps For Liquids

National motor freight and handling

NMFC

Class

UFC

LTL

LCL

WCC

TCC

SHC

ADC

ACC

NMFC:

128000

NMF Description:

Pumps Pwr Noi/working Heads/parts

UFC:

64870

LTL:

85.0

LCL:

WCC:

594

TCC:

SHC:

ADC:

ACC:

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 594

Pumps and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) V

Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)