Valve Seat NSN 4820-00-057-0649

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: 4820-00-057-0649

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Features and Characteristics

Flange Diameter

Between 1.749 inches and 1.751 inches

Body Outside Diameter

Between 1.623 inches and 1.624 inches

Body Inside Diameter

Between 0.780 inches and 0.782 inches

Seat Radius

0.002 inches

Flange Seat To Disk End Height

0.148 mils and 0.152 centimeters

Under Flange Height

Between 0.068 inches and 0.072 inches

Seating Surface Shape

Radial

Material

Plastic

Style Designator

Plain flanged

FSC

4820 Nonpowered Valves

NIIN

000570649

NSN

4820000570649

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

180365

Cage Code:

99657

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 4820-00-057-0649

What are the manufacturers of nsn 4820000570649?

Marotta Controls, Inc. (99657)

Does this nsn 4820000570649 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820000570649
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 4820000570649 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820000570649 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820000570649?
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