Valve Seat NSN 4820-00-243-9933

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: 4820-00-243-9933

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Features and Characteristics

Overall Height

Between 0.318 inches and 0.322 inches

Body Outside Diameter

Between 1.696 inches and 1.701 inches

Body Inside Diameter

Between 0.981 inches and 0.983 inches

Seating Surface Shape

Flat

Special Features

Groove around outside edge of seat, 0.075 in. W, 0.053 in. Depth

Material

Plastic polyamide

Material Specification

Mil-m-20693 military specification single material response

Style Designator

Plain

FSC

4820 Nonpowered Valves

NIIN

002439933

NSN

4820002439933

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

183701-8101

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 4820-00-243-9933

What are the manufacturers of nsn 4820002439933?

Marotta Controls, Inc. (99657)

Does this nsn 4820002439933 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002439933
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 4820002439933 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820002439933 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002439933?
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:

What do you get when you order from nationalstocknumber.org?

On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service