Valve Seat NSN 4820-01-040-0603

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: 4820-01-040-0603

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Features and Characteristics

Thread Class

3a single threaded portion

Err Default

0.938 inches single threaded portion

Overall Height

Between 0.938 inches and 0.943 inches

Body Outside Diameter

11.188 inches

Body Inside Diameter

9.938 inches

Thready Qty Per Inch (tpi)

12 single threaded portion

Thread Size

11.188 inches single threaded portion

Seating Surface Shape

Flat

Special Features

For navy nuclear propulsion plant products only

Material

Copper alloy

Material Specification

Astm b 164 assn standard single material response or qq-n-288 comp b federal specification single material response

Surface Treatment

Copper seat

Style Designator

Plain

Thread Series Designator

Un single threaded portion

FSC

4820 Nonpowered Valves

NIIN

010400603

NSN

4820010400603

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

803-2177917-10-02

Cage Code:

53711

Status:

MSDS:

Part Number:

5000S4824F1385602PIECE2-10IN

Cage Code:

80064

Status:

MSDS:

Part Number:

803-2177917

Cage Code:

53711

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 4820-01-040-0603

What are the manufacturers of nsn 4820010400603?

Naval Sea Systems Command (53711)
Naval Ship Systems Command (80064)

Does this nsn 4820010400603 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820010400603
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 4820010400603 contain any precious metals?
No precious metal content.

Does nsn 4820010400603 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820010400603?
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
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