Valve Seat NSN 4820-00-794-2777

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: 4820-00-794-2777

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Features and Characteristics

Flange Diameter

Between 4.750 inches and 4.751 inches

Body Outside Diameter

3.938 inches

Body Inside Diameter

Between 3.013 inches and 3.015 inches

Seat Radius

1.500 inches

Flange Seat To Disk End Height

Between 0.938 inches and 0.940 inches

Under Flange Height

2.000 inches

Seating Surface Shape

Radial

Material

Steel

Material Specification

Qq-s.637 federal specification single material response

Style Designator

Plain flanged

FSC

4820 Nonpowered Valves

NIIN

007942777

NSN

4820007942777

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

439B750PC3

Cage Code:

01289

Status:

MSDS:

Part Number:

356C690-3

Cage Code:

01289

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 4820-00-794-2777

What are the manufacturers of nsn 4820007942777?

General Electric Company (01289)
General Electric Co (24446)

Does this nsn 4820007942777 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820007942777
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 4820007942777 contain any precious metals?
No precious metal content.

Does nsn 4820007942777 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820007942777?
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