Valve Seat NSN 4820-00-731-6405

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: 4820-00-731-6405

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Features and Characteristics

Overall Height

Between 0.230 inches and 0.250 inches

Body Outside Diameter

Between 0.630 inches and 0.631 inches

Body Inside Diameter

Between 0.214 inches and 0.224 inches

Hardness Rating

45.0 rockwell c face and 50.0 rockwell c face

Seating Surface Shape

Flat

Criticality Code Justification

Adas

Material

Steel

Style Designator

Plain

FSC

4820 Nonpowered Valves

NIIN

007316405

NSN

4820007316405

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

408420P5

Cage Code:

77445

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 4820-00-731-6405

What are the manufacturers of nsn 4820007316405?

United Technologies Corporation (77445)

Does this nsn 4820007316405 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820007316405
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 4820007316405 contain any precious metals?
No precious metal content.

Does nsn 4820007316405 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820007316405?
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