Valve Seat NSN 4820-01-057-7711

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: 4820-01-057-7711

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Features and Characteristics

Thread Class

2a single threaded portion

Err Default

0.187 inches single threaded portion

Overall Height

0.562 inches

Body Inside Diameter

2.500 inches

Thready Qty Per Inch (tpi)

12 single threaded portion

Thread Size

0.812 inches single threaded portion

Seating Surface Shape

Flat

Material

Copper alloy

Material Specification

Qq-n-288 federal specification single material response

Style Designator

B5 plain threaded

Thread Series Designator

Un single threaded portion

FSC

4820 Nonpowered Valves

NIIN

010577711

NSN

4820010577711

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

10003-5-Y

Cage Code:

63686

Status:

MSDS:

Part Number:

N-10933-HPC4 2 1-2IN

Cage Code:

63686

Status:

MSDS:

Part Number:

10003-5Y 2 1-2IN

Cage Code:

63686

Status:

MSDS:

Part Number:

3300445

Cage Code:

53711

Status:

MSDS:

Part Number:

N-10933-H

Cage Code:

63686

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 4820-01-057-7711

What are the manufacturers of nsn 4820010577711?

The Walworth Company (63686)
Naval Sea Systems Command (53711)

Does this nsn 4820010577711 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820010577711
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 4820010577711 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820010577711 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820010577711?
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