Valve Seat NSN 4820-00-723-5783

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: 4820-00-723-5783

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Features and Characteristics

Flange Diameter

0.375 inches

Body Outside Diameter

Between 0.250 inches and 0.262 inches

Body Inside Diameter

Between 0.039 inches and 0.040 inches

Flange Seat To Disk End Height

0.095 inches

Under Flange Height

Between 0.080 inches and 0.085 inches

Hardness Rating

55.0 rockwell c body and 60.0 rockwell c body

Seating Surface Shape

Flat

Body Stepped Inside Diameter

0.156 inches first step

Special Features

Flange diameter 0.3740 in. Min, flange diameter 0.3745 in. Max

Material

Steel

Material Specification

Qq-s-763 440c federal specification single material response

Surface Treatment

Passivate

Style Designator

Plain flanged

FSC

4820 Nonpowered Valves

NIIN

007235783

NSN

4820007235783

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

11978

Cage Code:

99643

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 4820-00-723-5783

What are the manufacturers of nsn 4820007235783?

Eaton Corporation (99643)

Does this nsn 4820007235783 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820007235783
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 4820007235783 contain any precious metals?
No precious metal content.

Does nsn 4820007235783 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820007235783?
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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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service