Valve Seat NSN 4820-00-424-2731

Item Description

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

NSN: 4820-00-424-2731

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Features and Characteristics

Flange Diameter

0.547 inches

Body Outside Diameter

0.250 inches

Body Inside Diameter

0.172 inches

Flange Seat To Disk End Height

0.125 inches

Under Flange Height

Between 0.042 inches and 0.052 inches

Seating Surface Shape

Flat

Material

Nickel or copper alloy

Style Designator

Plain flanged

Fsc Application Data

Feeder, water meter drive

FSC

4820 Nonpowered Valves

NIIN

004242731

NSN

4820004242731

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

P11521

Cage Code:

79172

Status:

MSDS:

Foreign Trade & Schedule B

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

Schedule B Number: 8481909090
NAICS: 332911
SITC: 74790
Description: Parts of taps, cocks, valves and similar appliances, nesoi
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-424-2731

What are the manufacturers of nsn 4820004242731?

Siemens Water Technologies Corp. (79172)

Does this nsn 4820004242731 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820004242731
A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. the body may have a flange of various shapes. for diesel and gasoline reciprocating engines, see insert, engine valve seat.

Does nsn 4820004242731 contain any precious metals?
No precious metal content.

Does nsn 4820004242731 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820004242731?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

22113

FIIG:

A15500

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
Quality Fast Service