Valve Seat NSN 4820-00-210-5579

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: 4820-00-210-5579

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Features and Characteristics

Flange Diameter

Between 2.839 inches and 2.840 inches

Body Outside Diameter

Between 2.367 inches and 2.371 inches

Body Inside Diameter

Between 2.276 inches and 2.286 inches

Flange Seat To Disk End Height

Between 0.435 inches and 0.438 inches

Under Flange Height

Between 0.100 inches and 0.120 inches

Seat Angle In Deg

45.000

Hardness Rating

90.0 rockwell b body and 105.0 rockwell b body

Seating Surface Shape

Angular

Material

Steel body

Material Specification

Ams 5700 assn standard single material response body

Style Designator

Plain flanged

Fsc Application Data

Aircraft eng r2000

FSC

4820 Nonpowered Valves

NIIN

002105579

NSN

4820002105579

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

144355P20

Cage Code:

77445

Status:

MSDS:

Part Number:

AS144355P20

Cage Code:

12776

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 4820-00-210-5579

What are the manufacturers of nsn 4820002105579?

United Technologies Corporation (77445)
Aircraft Supplies (12776)
Pratt & Whitney Canada Cie Divpratt (00198)

Does this nsn 4820002105579 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002105579
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 4820002105579 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820002105579 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002105579?
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