Wearing Ring NSN 4320-01-383-5678

Item Description

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.

NSN: 4320-01-383-5678

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Features and Characteristics

Body Style

Internal and external flange

Chamfer Length

0.250 inches inside left corner

Overall Length

0.734 inches

Bolt Circle Diameter

5.875 inches

Flange Diameter

6.937 inches

Body Outside Diameter

6.624 inches

Body Inside Diameter

5.419 inches

Left Side Flange Thickness

0.343 inches

Bolt Hole Quantity

End Application

Ingersoll rand centrifugal pump 10x20xbsx (asw pump)

Internal Flange Inside Diameter

5.190 inches

Internal Flange Width

0.331 inches

Corner Shape

Square inside right corner

Mounting Hole Thread Series Designator

Unc

Mounting Hole Thread Size

0.250 inches

Surface Finish

125.0 microinches outside

Chamfer Angle

45.0 degrees outside left corner

Special Features

70-30 cu-ni mercury free; total of 8 holes on bolt circle: 3 ea 0.218in. Drill 0.375in. C-bore 0.22in. Dp, 1 ea 0.218in. Drill; 1.0in. Slo (flushing) top center, vent slot 40.0deg right and 10.Deg left of bottom center

Material

Nickel alloy and copper alloy

Material Specification

Astm b171 c715 assn standard all material responses

Supplementary Features

Internal flange lip recessed

FSC

4320 Power And Hand Pumps

NIIN

013835678

NSN

4320013835678

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

12889D18B

Cage Code:

88032

Status:

MSDS:

Part Number:

12889D18

Cage Code:

88032

Status:

MSDS:

Part Number:

12076F18-498B

Cage Code:

88032

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8413919520
NAICS: 333911
SITC: 74291
Description: Parts, nesoi, of pumps for liquids
End Use (Code 21100):
Industrial engines

Q & A

Frequently asked questions for NSN 4320-01-383-5678

What are the manufacturers of nsn 4320013835678?

Curtiss-wright Electro-mechanical (88032)
Curtiss-wright Electro-mechanical (0UBG9)

Does this nsn 4320013835678 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4320013835678
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.

Does nsn 4320013835678 contain any precious metals?
No precious metal content.

Does nsn 4320013835678 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4320013835678?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

22534

FIIG:

A19900

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service