Valve Seat NSN 4820-01-020-3395

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: 4820-01-020-3395

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Features and Characteristics

Thread Class

3a single threaded portion

Thread Length

0.281 inches single threaded portion

Flange Seat To Disk End Height

0.344 inches

Under Flange Height

0.562 inches

Thread Size

0.562 inches single threaded portion

Seating Surface Shape

Angular

Body Stepped Inside Diameter

0.281 inches second step

Criticality Code Justification

Feat

Special Features

Tested iaw mil-m-19595

Material

Copper alloy

Material Specification

Qq-c-390, type 1, alloy x6 federal specification single material response

Style Designator

Threaded flanged

Thread Series Designator

Unf single threaded portion

FSC

4820 Nonpowered Valves

NIIN

010203395

NSN

4820010203395

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

737204

Cage Code:

10001

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 4820-01-020-3395

What are the manufacturers of nsn 4820010203395?

Navair And Navsea Managed (10001)

Does this nsn 4820010203395 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820010203395
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 4820010203395 contain any precious metals?
No precious metal content.

Does nsn 4820010203395 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820010203395?
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